46.land on your feet
逢凶化吉
例句：My brother Joe got fired for never coming to work on time, but he landed on his feet and found another job that paid twice as much money.
我的弟弟因老是不准时上班而被公司解雇了。可是，他倒是逢凶化吉又找到了一份工作，而且工资还加了一倍。
47. cold feet
临时上场感到胆怯
例句：Peter told his wife that this time he was really going to walk in and demand a pay raise from the boss. But when he arrived at the office, he got cold feet.
皮特对自己的妻子说，这次他可一定要到他老板的办公室去要求增加工资了。可是，他一到了办公室就感到胆怯，不敢去见他的老板。
48.jump in and get your feet wet
到实践中去学
例句：I know most of you are afraid to embarrass yourselves by trying to speak English after these first few lessons. But that's the best way to learn: when you meet an American, try a few words -- jump in and get your feet wet.
我知道你们大多数人感到，刚上了几课英语，就用英语来说话很不好意思。不过，当你见到美国人时，你不妨试着说一点。到实践中去学是最好的办法。
49.ants in your pants
一个人很紧张，坐立不安
例句：The company financial report isn't due until next Friday. But the boss has ants in his pants and wants us to have it all ready for him on Tuesday morning.
我们公司的财务报告应该是下星期五才交。但是，我们的老板紧张得要命，非要我们在星期二早上就交给他。
50.have butterflies in one's stomach
心里感到七上八下
例句：Sitting there at my sister's wedding dinner, I had butterflies in my stomach because I know I'd have to stand up and make a speech.
我姐姐结婚那天晚上举行宴会的时候，我坐在那里心里直感到七上八下，因为我知道我得站起来讲话。
