🦅 Project Eagle
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

思い込む

おもいこむ (omoikomu)
N3 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "be" into Japanese, you must choose carefully between びっくりする and 思い込む. 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, 思い込む (おもいこむ (omoikomu)) maps to "to be under the impression that, to be convinced that, to be deluded into thinking" (Syllabus Level: N3) and represents To firmly believe something, often mistakenly, or to become deeply convinced of a belief. It implies a strong, sometimes incorrect, conviction.. 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 "思い込む"
彼は自分が天才だと思い込んでいる。
He is convinced that he is a genius.

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.". "思い込む" represents "to be under the impression that, to be convinced that, to be deluded into thinking".

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉