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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

聞こえる

きこえる (kikoeru)
N4 / CEFR Syllabus
VS
Japanese Option B

流行する

りゅうこうする (ryūkō suru)
N3 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "be" into Japanese, you must choose carefully between 聞こえる and 流行する. In Japanese, 聞こえる (きこえる (kikoeru)) is typically associated with "to be audible, to be heard" (Syllabus Level: N4) and represents Intransitive verb. Indicates that a sound reaches one's ears, often unintentionally.. On the other hand, 流行する (りゅうこうする (ryūkō suru)) maps to "to be in fashion, to be popular, to spread (an epidemic)" (Syllabus Level: N3) and represents The verb form of 流行. Describes the action or state of becoming popular or widespread. Can refer to trends or diseases.. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "聞こえる"
外から音楽が聞こえます。
I can hear music from outside.
Bilingual Context for "流行する"
インフルエンザが流行している。
Influenza is spreading (is流行っている).

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "外から音楽が聞こえます。" (Meaning: "I can hear music from outside.")
🎉 Correct Answer!

Remember: "聞こえる" fits here because it means "to be audible, to be heard" in the context of: "I can hear music from outside.". "流行する" represents "to be in fashion, to be popular, to spread (an epidemic)".

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