Synonym Nuance VS
How to say "Be" in Japanese
Both words can translate to "be", but which should you choose?
Japanese Option A
役に立つ
やくにたつ (yaku ni tatsu)
N4 / CEFR Syllabus
VS
Japanese Option B
なくなる
なくなる (nakunaru)
N4 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "be" into Japanese, you must choose carefully between 役に立つ and なくなる.
In Japanese, 役に立つ (やくにたつ (yaku ni tatsu)) is typically associated with "to be useful, to be helpful" (Syllabus Level: N4) and represents A set phrase meaning to be useful or helpful for someone or something. It describes the utility of an object, skill, or person. Often followed by the particle に.
On the other hand, なくなる (なくなる (nakunaru)) maps to "to be lost; to disappear; to run out of; to die (euphemism)" (Syllabus Level: N4) and represents An intransitive verb. Can mean something is no longer present. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "役に立つ"
この辞書は日本語の勉強に役に立ちます。
This dictionary is useful for studying Japanese.
Bilingual Context for "なくなる"
財布がなくなってしまいました。
My wallet got lost.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "この辞書は日本語の勉強に役に立ちます。" (Meaning: "This dictionary is useful for studying Japanese.")
🎉 Correct Answer!
Remember: "役に立つ" fits here because it means "to be useful, to be helpful" in the context of: "This dictionary is useful for studying Japanese.". "なくなる" represents "to be lost; to disappear; to run out of; to die (euphemism)".