| 中青年 | zhōng qīng nián | middle-aged |  |
| 油腻 | yóu nì | greasy food / oily food / (of food) greasy / oily / fatty / (neologism c. 2017) (of a middle-aged man) obnoxious / pretentious / vulgar |  |
| 老生 | lǎo shēng | venerable middle-aged or elderly man, usually wearing an artificial beard (in Chinese opera) | |
| 怪叔叔 | guài shū shu | queer uncle, referring to a young to middle-aged male pedophile (Internet slang) | |
| 妈妈桑 | mā ma sāng | mama-san, middle-aged woman who runs a brothel, bar etc (loanword from Japanese) / madam | |
| 老腊肉 | lǎo là ròu | (coll.) experienced and usually well-positioned middle-aged man | |
| 半老徐娘 | bàn lǎo xú niáng | middle-aged but still attractive woman / lady of a certain age | |
| 徐娘半老 | xú niáng bàn lǎo | middle-aged but still attractive woman / lady of a certain age | |
| 中老年人 | zhōng lǎo nián rén | middle-aged and elderly people | |
