| 必须 | bì xū | to have to; must; compulsory; necessarily |
| 须 | xū | beard; mustache; feeler (of an insect etc); tassel; must; to have to; to wait |
| 须要 | xū yào | must; have to |
| 无须 | wú xū | need not; not obliged to; not necessarily |
| 须知 | xū zhī | prerequisites; rules that must be known before starting sth |
| 须根 | xū gēn | fibrous roots |
| 胡须 | hú xū | beard; CL:根,绺 |
| 莫须有 | mò xū yǒu | groundless; baseless |
| 须发 | xū fà | hair and beard |
| 不让须眉 | bù ràng xū méi | (idiom) to compare favorably with men in terms of ability, bravery etc; to be a match for men; lit. not conceding to men (beard and eyebrows) |
| 何须 | hé xū | there is no need; why should |
| 八字胡须 | bā zì hú xū | mustache shaped like character 八 |
| 剃须刀 | tì xū dāo | razor |
| 卷须 | juǎn xū | tendril |
| 四大须生 | sì dà xū shēng | Four great beards of Beijing opera, namely: Ma Lianliang 马连良, Tan Fuying 谭富英, Yang Baosen 杨宝森, Xi Xiaobo 奚啸伯 |
| 巾帼须眉 | jīn guó xū méi | woman with a manly spirit |
| 布须曼人 | bù xū màn rén | bushman (African ethnic group) |
| 捋虎须 | luō hǔ xū | lit. to stroke the tiger's whiskers; to do sth very daring |
| 横须贺 | Héng xū hè | Yokosuka (port and navy base in the Tokyo bay) |
| 横须贺市 | Héng xū hè shì | Yokosuka city and US naval base to the west of Yokohama, Japan |
| 溜须拍马 | liū xū pāi mǎ | to smooth whiskers and pat a horse's bottom (idiom); to use flatter to get what one wants; to toady; boot-licking |
牡丹虽好，
终须绿叶扶持 | mǔ dan suī hǎo ,
zhōng xū lǜ yè fú chí | Although the peony is beautiful, it depends entirely on help from the green leaves (idiom). However brilliant you may be, you can't do anything without support from others. |
| 臾须 | yú xū | short period of time; a moment |
| 蓄须明志 | xù xū míng zhì | to be resolutely opposed to doing sth (idiom) |
| 触须 | chù xū | tentacles; feelers; antennae |
| 须丸 | xū wán | hematite Fe2O3 |
| 须弥 | Xū mí | Mt Meru or Sumeru, sacred mountain in Buddhist and Jain tradition; Mt Xumi in Guyuan 固原, Ningxia, with many Buddhist cave statues |
| 须弥山 | Xū mí shān | Mt Meru or Sumeru, sacred mountain in Buddhist and Jain tradition; Mt Xumi in Guyuan 固原, Ningxia, with many Buddhist cave statues |
| 须后 | xū hòu | aftershave |
| 须后水 | xū hòu shuǐ | aftershave |
| 须臾 | xū yú | in a flash; in a jiffy |
| 须子 | xū zi | feelers (zoology); tassel (botany) |
| 须毛 | xū máo | whiskers; mustache |
| 须眉 | xū méi | man or men (formal) |
| 龙须菜 | lóng xū cài | asparagus; (Taiwan) young shoots of the chayote vine 佛手瓜 |
