a fair cop的用法和样例：
- The attitude of the professional thief is quite different. If he's nabbed it's a fair cop, he pleads guilty, and hopes to be smarter next time.
- Glen was stopped by the police for speeding but it was a fair cop because he was doing over 90 at the time.
- He was a fair cop who took only clean graft and his rise in the police department was steady if not spectacular.
- The Supreme Court gave a fair trial to the case.
- He was railroaded to prison without a fair trial.
a fair cop的相关资料：