11.fly off the handle
突然失去控制而勃然大怒

例句：My wife spent all afternoon yesterday cooking a special dinner for our wedding anniversary. So she really flew off the handle when I came home three hours late.
为了庆祝我们结婚周年，我太太化了整个下午精心烹调。可是，我昨晚晚了三个小时才回家。她可真火了。

12.bark up the wrong tree
直译是狗叫错了树，翻译过来意思是找错门了

例句：If my brother-in-law hopes to borrow any more money from me, he will be barking up the wrong tree.
要是我的小舅子再想问我借钱，那他算是找错了门了。

13.right on the beam
一个人做某件事做的很对

例句：I thought Mr.Claghorn's speech was right on the beam last night! Just like he says, we need to spend more money on educating our children. He makes a lot of sense to me.
我认为克拉格霍恩先生昨晚上讲的话完全正确。就像他说的，我们应该花更多的钱在教育孩子方面。我觉得他讲的话很有道理。

14.fly by the seat of my pants　
在做某件事的时候没有明确的指导，也缺乏足够的知识

例句：When Jones started up business in a new town, he didn't know anybody, so he had to fly by the seat of his pants.
当琼斯在一个新的地方开始经营他的生意的时候，他在那里一个人都不认识。所以他只好全靠自己摸索着办。

15.keep one's shirt on
劝告别人要有耐心，不要太紧张了

例句：Keep your shirt on, Harry; we have plenty of time to catch the train.
哈里，你别太紧张了，我们还有好多时间，足够我们赶到火车站去的。