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是非不分

Mandarin · pinyin shì fēi bù fēn

unable to distinguish right and wrong (idiom)

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Characters in this entry

是: shì · indeed, yes, right; to be; demonstrative pronoun, this, that
非: fēi · not, negative, non-; oppose; Kangxi radical 175
不: bù · no, not; un-; negative prefix
分: fēn · divide; small unit of time etc.

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–1–4–1 · shi4 fei1 bu4 fen1

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Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

si6 fei1 bat1 fan1

Pleco · CC BY-SA 3.0 · Word reading; meanings not aligned.

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

phrase

(idiomatic) to be unable to distinguish right and wrong

Source page · dump 2026-09-02 · Contributors & history

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