Read Edit View history 必需 bìxū HSK5 essential Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 必需 bìxū essential essential; indispensable; necessary Edit Delete 必需 bìxū to need to need; to require; to be indispensable Edit Delete References Add reference see 必需/必需 → 必须/必須 Edit Delete synonym 必需/必需 → 必要/必要 Edit Delete antonym 必需/必需 → 不必/不必 Edit Delete synonym 必须/必須 → 必需/必需 Edit Delete synonym 必得/必得 → 必需/必需 Edit Delete