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Synonym Nuance VS

How to say "Be" in Japanese

Both words can translate to "be", but which should you choose?

Japanese Option A

治る

なおる (naoru)
N4 / CEFR Syllabus
VS
Japanese Option B

退屈する

たいくつする (taikutsu suru)
N3 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "be" into Japanese, you must choose carefully between 治る and 退屈する. In Japanese, 治る (なおる (naoru)) is typically associated with "to be cured, to get well (intransitive) / to be repaired, to be fixed (intransitive)" (Syllabus Level: N4) and represents Used for illnesses getting better. On the other hand, 退屈する (たいくつする (taikutsu suru)) maps to "to be bored" (Syllabus Level: N3) and represents 動詞。興味がなく、時間を持て余す様子を表す。e.g., 授業に退屈する. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "治る"
風邪が治りました。
My cold got better.
Bilingual Context for "退屈する"
することもなく、テレビを見ていたら退屈してきた。
Having nothing to do, I watched TV and got bored.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "風邪が治りました。" (Meaning: "My cold got better.")
🎉 Correct Answer!

Remember: "治る" fits here because it means "to be cured, to get well (intransitive) / to be repaired, to be fixed (intransitive)" in the context of: "My cold got better.". "退屈する" represents "to be bored".

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