lion's share 最大的一份

　　If a person, group, or project gets the lion's share of something, they get the largest part of it, leaving very little for other people.（习语来源：凶猛的狮子总是会拿走大部分它想要的东西。）

　　You do know that the lion's share of the money will go to charity, right?

　　那你应该知道这笔钱大部分都将捐给慈善机构，对吧？

　　Military and nuclear research have received the lion's share of public funding.军事研究和核研究得到了公共资助里最大的份额。

　　one-trick pony 只有一技之长的人;被认为仅有单一的天资、能力、品质等的人或事;一招鲜 （非正式）a person or thing considered as being limited to only one single talent, capability, quality, etc 

　　She is pretty much a one-trick pony. 她差不多是个只有一技之长的人。

　　body and soul 全神贯注的

　　When I play the accordion, I play it body and soul!我拉手风琴的时候，可是全神贯注的。

　　He does his work body and soul. 他全心全意地工作。

　　cry wolf 狼来了；发假警报

　　---So I rushed home. But she was fine. It was just a joke.于是我急忙赶回去。但她一点事都没有，原来那只是个玩笑。

　　---That's Nicole for you. She's done that to me before, too.尼科尔就是这样，她以前也跟我开过一样的玩笑。

　　---It's risky to cry wolf like that...again and again...像她这样一遍又一遍地撒谎太冒险了吧。

　　---Yeah, one day she might really need help.对，可能有一天她真的需要帮助。

　　window dressing 装饰门面；弄虚作假

　　( disapproving) the fact of doing or saying sth in a way that creates a good impression but does not show the real facts 

　　The reforms are seen as window dressing. 这些改革被视为是装饰门面。

　　 The measures seem to be mere window dressing that won't solve the problem.  这些举措看来只是些表面功夫，不会解决问题的。