c. 1500, from dirt + -y (2). Earlier dritty (late 14c.). Meaning "smutty, morally unclean" is from 1590s. Of colors, from 1690s. Dirty linen "personal or familial secrets" is first recorded 1860s. Dirty work in the figurative sense is from 1764; dirty trick is from 1670s. The dirty look someone gives you is from 1928; dirty old man "superannuated lecher" is from 1932. Related: dirtiness.
dirty (v.)
1590s, from dirty (adj.). Related: Dirtied; dirtying.
权威例句
1. Michael gave him a dirty look and walked out.
迈克尔狠狠地瞪了他一眼然后走开了。
2. He'd put his dirty laundry in the clothes basket.
他会把自己的脏衣服扔进洗衣篮里。
3. They chased down the stairs into the narrow, dirty street.
他们冲下楼梯,来到狭窄、肮脏的街上。
4. Before entering the bathroom, he emptied his dirty laundry into the hamper.
进浴室前,他把脏衣服全都放进洗衣筐里。
5. The dogs are always rubbing against the wall and making dirty marks.