须 ⇒
必须 bìxū, [必須], to have to/must/compulsory/necessarily
须 xū, [須]/[鬚], must/to have to/to wait, beard/mustache/feeler (of an insect etc)/tassel
胡须 húxū, [鬍鬚], beard/CL:根[gēn],綹|绺[liǔ]
无须 wúxū, [無須], need not/not obliged to/not necessarily
莫须有 mòxūyǒu, [莫須有], groundless/baseless
须要 xūyào, [須要], must/have to
剃须刀 tìxūdāo, [剃鬚刀], shaver/razor
鲸须 触须 chùxū, [觸鬚], tentacles/feelers/antennae
须知 xūzhī, [須知], key information/instructions/it must be borne in mind
须藤 何须 héxū, [何須], there is no need/why should
不须 须眉 xūméi, [鬚眉], man or men (formal)
根须 gēnxū, [根鬚], roots
溜须拍马 liūxūpāimǎ, [溜鬚拍馬], to smooth whiskers and pat a horse's bottom (idiom); to use flatter to get what ...
须子 xūzi, [鬚子], feelers (zoology)/tassel (botany)
蓄须 卷须 juǎnxū, [卷鬚]/[捲鬚], tendril, tendril
须永 须那 须臾 xūyú, [須臾], in a flash/in a jiffy
艾须利 龙须面 龙须菜 lóngxūcài, [龍鬚菜], asparagus/(Tw) young shoots of the chayote vine 佛手瓜[fó shǒu guā]