Quadruple VS
Synonym Boundary: "開けます", "開く", "うちとける", "公開市場操作"
All represent the core concept "open", but require precise selection.
Japanese Option A
開けます
あけます (akemasu)
N5 / CEFR
Japanese Option B
開く
あく (aku)
N4 / CEFR
Japanese Option C
うちとける
うちとける (uchitokeru)
N2 / CEFR
Japanese Option D
公開市場操作
こうかいしじょうそうさ (koukaishijousousa)
C2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "open" in Japanese, you must carefully distinguish between "開けます", "開く", "うちとける", "公開市場操作" based on context.
- 開けます (あけます (akemasu) - Level: N5): Maps to "to open" and is used when Transitive verb. Used for opening doors, windows, books, shops, eyes, etc. The object is marked with を..
- 開く (あく (aku) - Level: N4): Maps to "to open (intransitive)" and is used when Intransitive verb. Used when something opens on its own or is opened by an unspecified agent.
- うちとける (うちとける (uchitokeru) - Level: N2): Maps to "to open one's heart, to feel at home, to relax, to be frank" and is used when Describes the process of becoming comfortable and relaxed with someone, allowing one's true self to show. Often implies breaking down barriers. 心を開き、親しくなる様子を表します。.
- 公開市場操作 (こうかいしじょうそうさ (koukaishijousousa) - Level: C2): Maps to "Open Market Operations" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
Context for "開けます"
窓を開けます。
I open the window.
Context for "開く"
ドアが自動的に開きます。
The door opens automatically.
Context for "うちとける"
初めて会った人ともすぐにうちとけることができる。
I can quickly feel at ease even with people I meet for the first time.
Context for "公開市場操作"
私は公開市場操作に興味があります。
I am interested in Open Market Operations.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "窓を ＿＿＿ 。" (Meaning: "I open the window.")
🎉 Correct Answer!
Remember: "開けます" is correct here because it represents "to open" in the context: "I open the window.".