Quadruple VS
Synonym Boundary: "なる", "病気になる", "空く", "かじかむ"
All represent the core concept "become", but require precise selection.
Japanese Option A
なる
なる (naru)
N4 / CEFR
Japanese Option B
病気になる
びょうきになる (byōki ni naru)
N4 / CEFR
Japanese Option C
空く
あく (aku)
N3 / CEFR
Japanese Option D
かじかむ
かじかむ (kajikamu)
N2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "become" in Japanese, you must carefully distinguish between "なる", "病気になる", "空く", "かじかむ" based on context.
- なる (なる (naru) - Level: N4): Maps to "to become" and is used when An intransitive verb meaning to become or to grow into. Used with nouns.
- 病気になる (びょうきになる (byōki ni naru) - Level: N4): Maps to "to become sick; to get ill" and is used when 「病気」は名詞で、「〜になる」は状態の変化を表す動詞です。健康な状態から病気の状態へ変わることを指します。.
- 空く (あく (aku) - Level: N3): Maps to "to become empty, to become available, to be vacant (intransitive)" and is used when Intransitive verb. Used for spaces becoming empty.
- かじかむ (かじかむ (kajikamu) - Level: N2): Maps to "to become numb with cold; to be benumbed with cold (e.g. hands)" and is used when Specifically describes the sensation of hands or fingers becoming stiff and difficult to move due to cold. It implies the cold has made them numb or clumsy..
Context for "なる"
春になると、暖かくなります。
When spring comes, it becomes warm.
Context for "病気になる"
熱があって、病気になりました。
I had a fever and became sick.
Context for "空く"
席が空いたら、座ってください。
Please sit down when a seat becomes available.
Context for "かじかむ"
寒さで指がかじかんで、うまく字が書けない。
My fingers are numb with cold, so I can't write well.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "春に ＿＿＿ と、暖かくなります。" (Meaning: "When spring comes, it becomes warm.")
🎉 Correct Answer!
Remember: "なる" is correct here because it represents "to become" in the context: "When spring comes, it becomes warm.".