How to say [X] in Chinese

unable to control one's grief (idiom)

communication

悲不自胜

bēi bú zì shèng

unable to differentiate good from bad (idiom)

communication

不知好歹

bù zhī hǎo dǎi

unable to help however much one would like to (idiom)

communication

爱莫能助

ài mò néng zhù

unable to keep one's thoughts to oneself

communication

快嘴

kuài zuǐ

unable to make sense of what one is hearing

communication

听不懂

tīng bù dǒng

unable to make sense of what one is looking at

communication

看不懂

kàn bù dǒng

unable to take one's eyes off (idiom)

communication

目不转睛

mù bù zhuǎn jīng

unable to tell good from bad (idiom)

communication

不识好歹

bù shí hǎo dǎi

uncle (affectionate name for a friend older than one's father)

social

世伯

shì bó

under one's control or administration

communication

手下

shǒu xià

under one's own name

social

以本人名

yǐ běn rén míng

under sb's name

social

名下

míng xià

unexpectedly

communication

不想

bù xiǎng

unhappy love affair

social

烂桃花

làn táo huā

united as one

communication

合众为一

hé zhòng wèi yī

universal

communication

共通

gòng tōng

unlikely to go so far as to

communication

不至于

bú zhì yú

unmarried woman who is not a virgin

communication

非处

fēi chù

unprofitable goods

communication

赔钱货

péi qián huò

unrequited love

social

单恋

dān liàn

unrivaled (idiom)

communication

举世无双

jǔ shì wú shuāng

unspoken rules (usually ones that codify improper behaviors such as leveraging guanxi to get favorable treatment, or coercing employees for sexual favors)

communication

潜规则

qián guī zé

until death puts an end (idiom)

communication

死而后已

sǐ ér hòu yǐ

until this moment

communication

到那个时候

dào nà ge shí hòu