bad boy
noun
informal <非正式>
1
- a man who does not conform to approved standards of behaviour, especially in a particular sphere of activity坏小子：
the bad boy of British fashion.
英国时尚界的坏小子。
2
- chiefly US something extremely impressive or effective〈主美〉令人印象特别深刻的东西：
we went 142 mph in that bad boy.
我们乘着那个家伙开到了每小时142英里。