- 冷热病 lěngrèbìng malariaLocal or colloquial term for malaria; also called [[疟疾|瘧疾|nu:e4 ji5]] or [[疟子|瘧子|yao4 zi5]]
- 冰炭不言,冷热自明 bīngtànbùyánlěngrèzìmíng sincerity is not expressed in wordsice and coal do not speak, yet it is obvious which is cold and which is hot; means that one's true nature or sincerity is apparent without needing to be stated
- 冷热度数 lěngrèdùshù temperaturebody temperature; specifically used when referring to a medical patient's fever or thermal state