Synonym Nuance VS
How to say "Be" in Japanese
Both words can translate to "be", but which should you choose?
Japanese Option A
思い込む
おもいこむ (omoikomu)
N3 / CEFR Syllabus
VS
Japanese Option B
基づく
もとづく (motozuku)
N3 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "be" into Japanese, you must choose carefully between 思い込む and 基づく.
In Japanese, 思い込む (おもいこむ (omoikomu)) is typically associated with "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..
On the other hand, 基づく (もとづく (motozuku)) maps to "to be based on, to be founded on" (Syllabus Level: N3) and represents ある事実や規則、理念などを「根拠とする」ことを意味します。通常、「～に基づいて」の形で使われます。/ Means to 'be based on' facts, rules, or principles. Usually used in the form "～に基づいて. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!
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.
Bilingual Context for "基づく"
この計画は、最新のデータに基づいて作成されました。
This plan was created based on the latest data.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "彼は自分が天才だと思い込んでいる。" (Meaning: "He is convinced that he is a genius.")
🎉 Correct Answer!
Remember: "思い込む" fits here because it means "to be under the impression that, to be convinced that, to be deluded into thinking" in the context of: "He is convinced that he is a genius.". "基づく" represents "to be based on, to be founded on".