That Four-Letter Word不便说出的话
four-letter word vulgarity粗话
four-letter-word四字词
The most used four-letter word最常用的字
LOVE is a Four-Letter Word善于打架的侠盗小小猫
N-COUNT(可数名词) A four-letter word is a short word that people consider to be rude or offensive, usually because it refers to sex or other private bodily functions. (涉及性或其它身体私密处的)粗话