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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

安心する

あんしんする (anshin suru)
N4 / CEFR Syllabus
VS
Japanese Option B

失望する

しつぼうする (shitsubō suru)
N3 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "be" into Japanese, you must choose carefully between 安心する and 失望する. In Japanese, 安心する (あんしんする (anshin suru)) is typically associated with "to be relieved, to feel at ease" (Syllabus Level: N4) and represents 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. On the other hand, 失望する (しつぼうする (shitsubō suru)) maps to "to be disappointed; to lose hope" (Syllabus Level: N3) and represents 「失望する」は、期待していたことが叶わず、がっかりする気持ちを表します。人や結果に対して使われることが多いです。. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual 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.
Bilingual Context for "失望する"
彼の裏切りにとても失望した。
I was very disappointed by his betrayal.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "子供が無事だと聞いて安心しました。" (Meaning: "I was relieved to hear that my child was safe.")
🎉 Correct Answer!

Remember: "安心する" fits here because it means "to be relieved, to feel at ease" in the context of: "I was relieved to hear that my child was safe.". "失望する" represents "to be disappointed; to lose hope".