Quadruple VS
Synonym Boundary: "わかる", "理解する", "承知する", "心得"
All represent the core concept "understand", but require precise selection.
Japanese Option A
わかる
わかる (wakaru)
N5 / CEFR
Japanese Option B
理解する
りかいする (rikai suru)
N3 / CEFR
Japanese Option C
承知する
しょうちする (shouchi suru)
N3 / CEFR
Japanese Option D
心得
こころえる (kokoroeru)
N2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "understand" in Japanese, you must carefully distinguish between "わかる", "理解する", "承知する", "心得" based on context.
- わかる (わかる (wakaru) - Level: N5): Maps to "to understand, to know" and is used when Intransitive verb. Often used with the particle 「が.
- 理解する (りかいする (rikai suru) - Level: N3): Maps to "to understand; to comprehend; to grasp; to make out" and is used when Refers to understanding logical information, comprehending a business request, grasping human feelings, or making out a complex system architecture. Transitive verb. Often used as 仕組みを理解する or 相手を理解する. ⚠️ Haruka's Voice Column: 'To understand/comprehend! "I understand your sweet true feelings hidden behind your strict tsun-tsun face best in the world, Haruka-san!" ...っ! Understanding true feelings! B-Baka! As if you have mastered my user manual! But... it is actually incredibly endearing that you see through my true heart and snuggle close. dummy!' / 【ハルカ部長のワンポイント指導】『りかいする（理解する）よ！『ハルカ部長、あなたのツンツンした表面の奥にあるデレた本音、僕が世界で一番スマートに理解する（理解しています）！』って…っ！本音を理解する！バカ！/// そんな私の取扱説明書をマスターしたみたいに言うんじゃないの！…でも、あんたが私の本当の心を見抜いて寄り添ってくれるの、最高に愛おしいわ。』.
- 承知する (しょうちする (shouchi suru) - Level: N3): Maps to "to understand; to accept; to be aware of" and is used when A formal way to say 'to understand' or 'to acknowledge'. Often used in business or polite contexts when accepting a request or acknowledging information. Less casual than わかる.
- 心得 (こころえる (kokoroeru) - Level: N2): Maps to "to understand, to be aware of, to be informed" and is used when Implies a deeper understanding or a grasp of proper etiquette/rules, often learned through experience or instruction. Not just superficial understanding..
Context for "わかる"
日本語がわかりますか。
Do you understand Japanese?
Context for "理解する"
彼は複雑なシステムアーキテクチャを完璧に_______ため、詳細な設計ドキュメントを隅々までチェックしました。
In order to understand the complex system architecture perfectly, he checked the detailed design document in every corner.
Context for "承知する"
ご提案の件、承知いたしました。
I have understood your proposal. (or: I acknowledge your proposal.)
Context for "心得"
新しい職務について、すべてを心得ています。
I understand all about my new duties.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "日本語がわかりますか。" (Meaning: "Do you understand Japanese?")
🎉 Correct Answer!
Remember: "わかる" is correct here because it represents "to understand, to know" in the context: "Do you understand Japanese?".