- 水暖工 shuǐnuǎngōng plumberplumber or heating engineer; a worker who installs and repairs water and heating systems
- 春江水暖鸭先知 chūnjiāngshuǐnuǎnyāxiānzhī the duck is the first to know the spring water is warm(idiom) people in a specific environment or field are the first to sense changes or trends within it; an expert knows which way the wind blows