play your cards right”不是指“正确地玩牌”，真实含义是办事高明，处理得当。

【例句】
The bosses have been impressed with your work so far. If you keep playing your cards right, you could see a promotion inside of a year.
你做的工作给老板留下深刻的印象，如果你继续处理得当，你在一年内就会升职。

I'm really hoping Janet will agree to go on a second date, but I'll have to play my cards right tonight!
我希望Janet愿意和我去第二次约会，但是我必须处理得当。