Synonym Nuance VS
How to say "Be" in Japanese
Both words can translate to "be", but which should you choose?
Japanese Option A
なくなる
なくなる (nakunaru)
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 なくなる and 思い込む.
In Japanese, なくなる (なくなる (nakunaru)) is typically associated with "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.
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 "なくなる"
財布がなくなってしまいました。
My wallet got lost.
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: "財布がなくなってしまいました。" (Meaning: "My wallet got lost.")
🎉 Correct Answer!
Remember: "なくなる" fits here because it means "to be lost; to disappear; to run out of; to die (euphemism)" in the context of: "My wallet got lost.". "思い込む" represents "to be under the impression that, to be convinced that, to be deluded into thinking".