Yet America and Europe have also stumbled on a workable good-cop, bad-cop routine.

然而美欧也摸索出一条行之有效的流程：一个唱黑脸，一个唱白脸。

youdao

Maybe we should try a new tactic. Have you heard of "good cop, bad cop"?

也许我们应该换个新法。听说过“好警察，坏警察”吗？

youdao

She and her Conservative deputy Richard Bacon have formed an effective "bad-cop, bad-cop" partnership.

BBC: Who's shone?

But, when Congress crosses the line into undermining the promise of the president's chief diplomat, the good-cop-bad-cop routine becomes a liability.

ECONOMIST: Christopher Cox and the Chinese dance

The CIA must now conduct interrogations according to the rules of the Army Field Manual, which prohibits coercive techniques, threats and promises, and the good-cop bad-cop routines used in police stations throughout America.

WSJ: John Yoo: Obama Made a Rash Decision on Gitmo