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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

びっくりする

びっくりする (bikkurisuru)
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 びっくりする and 流行する. In Japanese, びっくりする (びっくりする (bikkurisuru)) is typically associated with "to be surprised; to be startled" (Syllabus Level: N4) and represents Often used to express sudden surprise or shock. It's an intransitive verb.. 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 "びっくりする"
急に大きな音がして、びっくりしました。
I was surprised by the sudden loud noise.
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: "急に大きな音がして、びっくりしました。" (Meaning: "I was surprised by the sudden loud noise.")
🎉 Correct Answer!

Remember: "びっくりする" fits here because it means "to be surprised; to be startled" in the context of: "I was surprised by the sudden loud noise.". "流行する" represents "to be in fashion, to be popular, to spread (an epidemic)".

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