He's a good cop.

他是个好警察。

youdao

Some are bound to focus on Mr Mendoza, who was once publicly lauded for being an outstandingly good cop.

一些调查将集中围绕门多萨（Mendoza）进行，他曾被公开赞誉为杰出的好警察。

youdao

He intends to blow up the second, full of passengers, and as he’s about to do so, he says with a shrug and a smile, “Too bad, Jack, you could’a made a good cop.”

本来佩恩还想轰掉另一辆满载乘客的公交车，当他准备下手时，他耸耸肩笑着说：“太糟糕了，杰克，你本来可以当个好警察的。”

youdao

If Europe is the good cop and America the bad cop, Israel may be the vigilante.

ECONOMIST: Iran, accused and defiant | The

The good COP, Copenhagen attendee Fludder said, is the developing consensus of how to talk about emissions reductions.

FORBES: Copenhagen: Good COP, Bad COP

To fight cybercrime on the Web, security experts have tried "good cop" tactics.

FORBES: Spear The Phishers--Not The Fish