Synonym Nuance VS
How to say "Be" in Japanese
Both words can translate to "be", but which should you choose?
Japanese Option A
流行する
りゅうこうする (ryūkō suru)
N3 / 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 流行する and 思い込む.
In Japanese, 流行する (りゅうこうする (ryūkō suru)) is typically associated with "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..
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 "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).
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: "インフルエンザが流行している。" (Meaning: "Influenza is spreading (is流行っている).")
🎉 Correct Answer!
Remember: "流行する" fits here because it means "to be in fashion, to be popular, to spread (an epidemic)" in the context of: "Influenza is spreading (is流行っている).". "思い込む" represents "to be under the impression that, to be convinced that, to be deluded into thinking".