four-letter word
英 [ˌfɔː letə ˈwɜːd]
美 [ˌfɔːr letər ˈwɜːrd]
n. (字母少的)粗俗下流词
牛津词典
noun
- （字母少的）粗俗下流词
a short word that is considered rude or offensive, especially because it refers to sex or other functions of the body
柯林斯词典
- 粗话;脏话
Afour-letter wordis a short word that people consider to be rude or offensive, usually because it refers to sex or other bodily functions.
英英释义
noun
- any of several short English words (often having 4 letters) generally regarded as obscene or offensive