Stop reading while constantly looking up words—this habit is slowing down your progress in foreign languages.
I have a friend who has been studying English for eight years, yet he still has to keep a dictionary open whenever he reads an article. It’s not that his vocabulary is insufficient; rather, he has never managed to break free from "lookup mode"—whenever he encounters an unfamiliar word, he stops, looks it up, takes notes, finds his place again, and continues... repeating this cycle endlessly.
The biggest problem with this process isn't the wasted time, but the fact that the brain has to re-establish the context every single time. Comprehension relies heavily on contextual support; whenever you pause, that thread of continuity is severed.
Eventually, I began adopting a reading method centered around a highlighting plugin (such as Hilight Lens), and my experience of reading in a foreign language was completely transformed. This wasn't because the plugin itself was magical, but because it fundamentally altered one crucial dynamic: it assigns the task of identifying structural patterns to the eyes, thereby allowing the brain to focus exclusively on comprehending the content.
The First Step: Assigning Meaning to Colors
Most people use highlighters haphazardly—they might look diligent as they swipe away, but in reality, this practice yields very little benefit.
The truly effective approach is to establish a consistent color-coding system—not for the sake of aesthetics, but to transform colors into semantic tags. For instance, you might adopt a color scheme similar to the following:
| Color | Meaning | Rationale |
|---|---|---|
| 🟡 Yellow | New Words (Today) | For short-term reinforcement and high-frequency review |
| 🩵 Cyan | Logical Connectors | To discern the structural framework of the text |
| 🔵 Blue | Verbs / Collocations | To bridge the gap from mere "recognition" to practical "application" |
| 🟣 Purple | Technical Terms | To construct a systematic body of domain-specific knowledge |
| 🟠 Orange | Easily Confused Words | To heighten vigilance and avoid recurring errors |
| 🟢 Green | Mastered Words | For self-assessment; to confirm genuine mastery |
After consistently applying this method for a while, you will notice a remarkable transformation: upon seeing a specific color, you will instinctively recognize the word's grammatical role within the sentence without needing to mentally translate it.
This marks the transition from "reading individual words" to "reading structural patterns"—with just a quick glance, you can instantly distinguish between arguments, supporting evidence, and transitional shifts. ---
New Words Aren't Meant to Be "Memorized," They're Meant to Be "Encountered"
The traditional logic behind vocabulary learning is: Encounter → Memorize → Use in exams.
However, real language acquisition doesn't work that way. Native speakers don't simply "memorize" words; rather, they repeatedly encounter them across countless contexts, gradually developing an intuitive feel for the language.
In this regard, highlighting plugins are closer to natural acquisition than vocabulary-building apps: you mark an unfamiliar word in yellow, and the next time you see it in a different article, it lights up again. No deliberate review is required; the varying contexts automatically help reinforce your understanding.
My personal workflow looks like this:
- First encounter → Highlight in yellow, look up the approximate meaning, and keep reading.
- After multiple encounters → I can start guessing the meaning without needing to look it up.
- Truly mastered → Change the highlight color to green.
- Fully internalized → Delete or hide the highlight.
There is one detail here worth emphasizing: don't stop every time you encounter a new word. Mark it, then keep reading. What you need to cultivate is the ability to "keep moving forward even without complete understanding"—this is the very core of fluent reading.
If You Can't Comprehend a Text, It's Often Not a Vocabulary Problem
There is a specific type of reading difficulty that is frequently misdiagnosed: you recognize every single word, yet you still have no idea what the passage is actually saying.
This is usually because you haven't grasped the logical relationships within the text.
The solution is surprisingly simple: use a single, consistent color to highlight all the logical connectors—words like these:
- Contrast: however, yet, that said
- Cause & Effect: therefore, thus, as a result
- Addition/Progression: furthermore, what's more
- Exemplification: for example, take… for instance
Once these words visually "pop out" in a unified way, the argumentative structure of the text becomes remarkably clear. You are no longer trudging sentence-by-sentence through the mud; instead, you are navigating with the aid of a clearly annotated map.
The Gap Between "Recognizing" a Word and "Using" It Is Filled by an Entire Set of Collocations
Many language learners get stuck at the same bottleneck: they possess a sizable vocabulary, yet the sentences they write always feel slightly "off."
The reason is typically a lack of internalized collocations (natural word pairings). With verb phrases like "take a toll on," "give rise to," and "account for," you may recognize every individual word, yet when combined, the phrase feels completely unfamiliar.
The method is straightforward: use blue specifically to mark these verb phrases. By "extracting" them from the surrounding text, you ensure your eyes notice them every single time.
Each encounter serves as a review within a real-world context; by observing how these phrases are used in different articles, you automatically cultivate an intuitive feel for the language. This is the critical pathway that leads from "input" to "output."
For Certain Errors, Simply "Remembering to Be Careful" Is Useless
Affect vs. effect, imply vs. infer, principal vs. principle...
Everyone knows these words are easily confused, and everyone "remembers" to be cautious with them—yet mistakes still happen.
The reason is this: knowing something intellectually is entirely different from having a conditioned reflex.
By consistently marking these easily confused words in orange, every time you encounter them while reading, your visual processing will automatically trigger a brief pause for verification. This isn't achieved through sheer willpower, but rather through the formation of a habitual neural circuit. Over time, this pause will vanish—because you will no longer make the mistake.
When Reading Specialized Content, a Color-Coding System Becomes Even More Valuable
When reading articles on law, finance, or medicine, the challenge often lies not in the individual vocabulary words, but in the fact that a single concept may reappear repeatedly throughout the text, yet you find yourself having to re-verify its meaning every single time.
Consistently marking specialized terminology in purple yields a distinct benefit: the concepts within the article become "interlinked," the logical chain of thought becomes clearer, and your understanding evolves from a fragmented collection of facts into a cohesive, systematic framework.
Grouping: The True Core of Efficiency
If you are learning multiple foreign languages in different contexts—or if you have distinct needs for both intensive reading (close reading) and extensive reading (reading for general fluency)—mixing all your vocabulary into a single database can be a disaster. The more highlights you have, the greater the visual distraction becomes.
The logic behind grouping is simple: activate only one vocabulary database at a time.
You can group them by context—for instance, "English: Intensive Reading," "English: Extensive Reading," or "Japanese." Alternatively, you can group them by objective—such as "Key Vocabulary for This Week," "Specialized Terminology," or "Expressions for Active Use." Whenever you switch your reading mode, you can switch your vocabulary database with a single click, ensuring that your different learning tracks remain distinct and free from mutual interference. ---
A Few Easily Overlooked Details
Regarding Self-Testing: When you feel you’ve mastered a particular word, try turning off its highlighting to see if you can still read through the text smoothly. This provides a much more honest assessment of your knowledge than simply rote-memorizing from a word list.
Regarding Exporting: High-quality plugins allow you to export your vocabulary database, enabling backups, cross-device synchronization, and even importing into Anki. Your reading history constitutes your own personalized vocabulary bank—one that is far more relevant to the actual language you encounter than any generic, pre-made word list.
Regarding Collaboration: If you and your classmates are studying for the same exam, sharing your vocabulary banks can be an incredibly valuable practice; it essentially allows you to leverage others' reading time to help build your own vocabulary.
Regarding Multiple Languages: This methodology applies equally well to Japanese, Korean, and French; the underlying logic remains the same. For instance, in Japanese, you can mark easily confused kanji characters and grammatical sentence patterns; in Korean, you can highlight particles and honorific conjugations. The languages may differ, but the method is universally applicable.
The True Goal: To Stop "Reading a Language"
After consistently applying this method to your reading for a while, you will begin to notice several subtle shifts taking place:
The frequency with which you need to look up words will steadily decrease. You will start to "see structures" rather than merely "seeing sentences." Certain words will transform into familiar visual cues; your brain will no longer need to translate them—it will instantly grasp their meaning.
The ultimate state you eventually reach is, in my opinion, the most rewarding moment in the entire process of learning a foreign language:
You no longer realize that you are reading in a foreign tongue; you are simply absorbing information.
Tools of this nature are often dismissed as mere aids for looking up words, yet what they truly transform is something far more fundamental: the way you receive information, the mechanism by which you encounter vocabulary repeatedly, and the very pathways through which memories are formed.
If you happen to have a foreign-language text close at hand right now, try this experiment: highlight every unfamiliar word you encounter within the first three pages, then continue reading onward without stopping.
You will discover that your reading becomes progressively smoother. This isn't because the vocabulary suddenly got easier, but rather because your brain has begun to adapt to navigating—and making sense of—the language within its context.