11 Don't rock the boat. 11 不要破坏现状、捣乱

12 Worth its weight in gold 12 很有价值的

13 Speak for the devil. 13 说曹操曹操到

14 Right up/down someone's alley. 14 某人的专长

15 You never know what you can do until you try.

15 你不试试看，就不知道自己的潜力。

16 You scratch my back, and I'll scratch yours.

16 你帮我，我也帮你

17 A penny saved is a penny earned.

17 省一分就是赚一分

18 Get away from it all 18 远离这一切

19 Make a mountain out of a molehill

19 大惊小怪;小题大做;言过其实

20 Two heads are better than one. 2

0 三个臭皮匠抵过一个诸葛亮