🦅 Project Eagle
Quadruple VS

Synonym Boundary: "遅い", "緩慢", "訥弁", "跛鼈千里"

All represent the core concept "slow", but require precise selection.

Japanese Option A

遅い

おそい (osoi)
N5 / CEFR
Japanese Option B

緩慢

かんまん (kanman)
N2 / CEFR
Japanese Option C

訥弁

とつべん (totsuben)
C2 / CEFR
Japanese Option D

跛鼈千里

はべつせんり (habetsusenri)
C2 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "slow" in Japanese, you must carefully distinguish between "遅い", "緩慢", "訥弁", "跛鼈千里" based on context.
  • 遅い (おそい (osoi) - Level: N5): Maps to "slow, late" and is used when An i-adjective used to describe lack of speed.
  • 緩慢 (かんまん (kanman) - Level: N2): Maps to "slow, sluggish, tardy" and is used when Formal term, often used to describe movements, progress, or reactions that are conspicuously slow or lacking speed/promptness. Can imply a lack of urgency or efficiency..
  • 訥弁 (とつべん (totsuben) - Level: C2): Maps to "slow speech / inarticulateness" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
  • 跛鼈千里 (はべつせんり (habetsusenri) - Level: C2): Maps to "slow but steady progress" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "遅い"
彼はいつも仕事が遅い。
He is always slow at work.
Context for "緩慢"
彼は緩慢な動きで書類にサインした。
He signed the document with slow movements.
Context for "訥弁"
私は訥弁に興味があります。
I am interested in slow speech / inarticulateness.
Context for "跛鼈千里"
私は跛鼈千里に興味があります。
I am interested in slow but steady progress.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "彼はいつも仕事が ___ 。" (Meaning: "He is always slow at work.")
🎉 Correct Answer!

Remember: "遅い" is correct here because it represents "slow, late" in the context: "He is always slow at work.".

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