- cop out
[cop out 词源字典]
- by 1942, noun and verb, "sneak off, escape," American English slang, probably from cop a plea (c. 1925) "plead guilty to lesser charges," probably from northern British slang cop "to catch" (a scolding, etc.); as in cop a feel "grope someone" (1930s); see cop (v.). Sense of "evade an issue or problem" is from 1960s.[cop out etymology, cop out origin, 英语词源]