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必須

简必须 · 繁必須

Mandarin · pinyin bì xū

must; to have to

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Characters in this entry

必: bì · surely, most certainly; must
須: Look up this written character
须: xū · must, have to, necessary

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

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Mandarin tones

4–1 · bi4 xu1

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Read this spelling in Classical texts

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必須 · find source passages ↗ · 必须 · find source passages ↗

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Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

Rime Cantonese 粵拼

bit1 seoi1

Cantonese word readings for 必須. This lexicon supplies readings, not definitions.

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Wiktionary English definitions · Chinese section

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

verb

must; have to (used as an auxiliary verb)

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

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