1.In the nick of time: 紧要关头。

　　You gave me that main idea help in the nick of time – my teacher just gave us a quiz on that reading skill and I passed it!

　　你刚好在那个时候帮我找到了主旨

　　2.Let the cat out of the bag: 说出秘密。

　　Brady's surprise party is going to be great if you don't let the cat out of the bag.

　　如果你先保守秘密的话，布雷迪的惊喜派对会非常棒的！

　　3.Let the chips fall where they may: 让某事发生，不管其是好是坏。

　　I'm going to just try out for the cheerleading squad and let the chips fall where they may.

　　不管结果怎样，我都会去试试参加啦啦队。

　　4.Lose your marbles:变得疯狂。

　　Mom has really lost her marbles; she's making me practice writing the Enhanced ACT Essay seven times this week!

　　我妈妈真是要疯了；这个星期她让我写了七篇ACT的作文！

　　5.Once in a blue moon: 罕见的。

　　In Florida, the temperature drops below freezing only once in a blue moon.

　　在弗罗里达，气温降到零度以下是非常罕见的。

　　6.Plain as day: 显而易见的。

　　It's plain as day that you're in love with her, so just admit it.

　　显而易见你已经爱上她了，承认吧。

　　7.Play second fiddle: 居次位。

　　I hate playing second fiddle to my sister; she always does things better than I do!

　　我真是讨厌落在我姐姐的下风，她总是比我做的好！

　　8.Put your foot in your mouth: 说错话。

　　Jessica really put her foot in her mouth when she asked about John’s job right after he lost it.

　　杰西卡居然在约翰失业后问起他的工作，真是说错话了。

　　9.Pull yourself together: 冷静下来；振作起来。

　　Pull yourself together, man! Sure, your girlfriend just dumped you and then you got hit by a car, but you can't let those things get you down.

　　振作起来，兄弟！虽然你被女朋友甩了，又被车撞了，但你不能让这些事把你击垮。

　　10.Sick and tired: 被打扰或困扰。

　　She is sick and tired of her dog chewing up her shoes every day.

　　她的狗每天都会啃她的鞋子，让她郁闷不已。

　　11.Sleep on it: 在做决定前先考虑一会。

　　Don't tell me whether you'll move to Texas with me or not today. Sleep on it, and get back to me tomorrow.

　　今天先不要告诉我你会不会跟我一起搬去德州。先考虑一下，明天再回复我。