🦅 Project Eagle
Quadruple VS

Synonym Boundary: "間に合う", "安心する", "聞こえる", "治る"

All represent the core concept "be", but require precise selection.

Japanese Option A

間に合う

まにあう (maniau)
N4 / CEFR
Japanese Option B

安心する

あんしんする (anshin suru)
N4 / CEFR
Japanese Option C

聞こえる

きこえる (kikoeru)
N4 / CEFR
Japanese Option D

治る

なおる (naoru)
N4 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "be" in Japanese, you must carefully distinguish between "間に合う", "安心する", "聞こえる", "治る" based on context.
  • 間に合う (まにあう (maniau) - Level: N4): Maps to "to be on time, to make it in time" and is used when Intransitive verb. Used to express arriving at a place or completing something by a specific time. Often used with the particle 'に'..
  • 安心する (あんしんする (anshin suru) - Level: N4): Maps to "to be relieved, to feel at ease" and is used when する verb. Used to express a feeling of relief or peace of mind after a period of worry or anxiety. Opposite of 心配する.
  • 聞こえる (きこえる (kikoeru) - Level: N4): Maps to "to be audible, to be heard" and is used when Intransitive verb. Indicates that a sound reaches one's ears, often unintentionally..
  • 治る (なおる (naoru) - Level: N4): Maps to "to be cured, to get well (intransitive) / to be repaired, to be fixed (intransitive)" and is used when Used for illnesses getting better.
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "間に合う"
電車に間に合うように急ぎました。
I hurried to make it on time for the train.
Context for "安心する"
子供が無事だと聞いて安心しました。
I was relieved to hear that my child was safe.
Context for "聞こえる"
外から音楽が聞こえます。
I can hear music from outside.
Context for "治る"
風邪が治りました。
My cold got better.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "電車に ___ ように急ぎました。" (Meaning: "I hurried to make it on time for the train.")
🎉 Correct Answer!

Remember: "間に合う" is correct here because it represents "to be on time, to make it in time" in the context: "I hurried to make it on time for the train.".

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉