Nantoka/必须bì xūTraditional: 必須HSK 2必须 (bì xū) is a Chinese word meaning “to have to; must; compulsory”.Meanings1to have to2must3compulsory4necessarilyPart of speechadverbCharacters in 必须必bì · certainly须xū · mustRelated words必要necessary不必need not必certainly必需to need须must须beard何必there is no need必然inevitable未必not necessarily必定to be bound to; to be sure to务必must想必presumablyStudy Chinese with flashcards →