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How to say "Good" in Japanese

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

Japanese Option A

いい

いい (ii)
N5 / CEFR Syllabus
VS
Japanese Option B

幸運

こううん (kōun)
N3 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "good" into Japanese, you must choose carefully between いい and 幸運. In Japanese, いい (いい (ii)) is typically associated with "good, nice; okay" (Syllabus Level: N5) and represents An い-adjective, a versatile word meaning 'good,' 'nice,' 'fine,' 'okay.' Often used to express approval or agreement. The more formal or classical form is よい. On the other hand, 幸運 (こううん (kōun)) maps to "good luck; fortune" (Syllabus Level: N3) and represents Refers to good luck, fortune, or being extremely lucky. Often used as 幸運なことに. A literal translation of "good" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "いい"
その考えはとてもいいです。/ 大丈夫、いいですよ。
That's a very good idea. / It's okay.
Bilingual Context for "幸運"
_______なことに、売り切れだと思っていたチケットを最後の一枚で購入できました。
Fortunately, I was able to purchase the very last ticket that I thought was sold out.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "その考えはとても ___ です。/ 大丈夫、 ___ ですよ。" (Meaning: "That's a very good idea. / It's okay.")
🎉 Correct Answer!

Remember: "いい" fits here because it means "good, nice; okay" in the context of: "That's a very good idea. / It's okay.". "幸運" represents "good luck; fortune".

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