Synonym Nuance VS
How to say "Be" in Japanese
Both words can translate to "be", but which should you choose?
Japanese Option A
気を付ける
きをつける (ki o tsukeru)
N4 / CEFR Syllabus
VS
Japanese Option B
役立つ
やくだつ (yakudatsu)
N3 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "be" into Japanese, you must choose carefully between 気を付ける and 役立つ.
In Japanese, 気を付ける (きをつける (ki o tsukeru)) is typically associated with "to be careful, to pay attention" (Syllabus Level: N4) and represents Used to advise caution or remind someone to pay attention. The polite form is 気を付けます.
On the other hand, 役立つ (やくだつ (yakudatsu)) maps to "to be useful, to be helpful" (Syllabus Level: N3) and represents An intransitive verb. Used to describe something that serves a purpose or provides assistance. Often followed by に.. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "気を付ける"
風邪を引かないように、気を付けてください。
Please be careful not to catch a cold.
Bilingual Context for "役立つ"
このアプリは毎日の仕事にとても役立ちます。
This app is very useful for daily work.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "風邪を引かないように、気を付けてください。" (Meaning: "Please be careful not to catch a cold.")
🎉 Correct Answer!
Remember: "気を付ける" fits here because it means "to be careful, to pay attention" in the context of: "Please be careful not to catch a cold.". "役立つ" represents "to be useful, to be helpful".