1.zero in on 瞄准;集中精力
例 句：Once you have identified suspicious traffic, you can then start to add specifications on the command line to zero in on the detail of the traffic.
一旦您识别出了可疑流量，您就可以开始在命令行上添加参数以便关注于流量细节
2.Gentleman’s agreement 君子协议
例 句："What we have seen over the past couple years is, you might think of it as a kind of a gentleman's agreement not to discuss Iraq, " he said.
格伦说：“过去两三年的情况看起来好像是一种君子协定，就是大家同意不讨论伊拉克问题
3.Walk on air 兴高采烈
例句：Some students seem to walk on air after they succeed in passing the entrance examination of college.
一些学生在考入大学后似乎有些忘乎所以了。
4.At an awkward age 即将成年
例句：Tom was very easy to bring up and never seemed to have an awkward age at all
汤姆是一个很容易带大的孩子，他好像从来就没有 成年前的那种彷徨。
5.Autumn of somebody’s life 在垂暮之年
例句：It's amazing that somebody can still contribute to society even in the autumn of his life.
令人惊异的是，有人在垂暮之年还能够为社会作贡献。
6.Paint the lily 多此一举
例句：Comment upon this would be to paint the lily.
对此发表评论无异于画蛇添足。
7.Lay at somebody’s door 归咎于某人
例句：Don't lay the blame at my door; you spilled food on the carpet too!
不要只责怪我;你也把食物打翻在地毯上呀!
8.Wall-to-wall 无处不在的; 似无处不在的
例句：Within minutes, the presidential salvo is wall-to-wall on the wire services and TV news. Then the Internet.
几分钟之内，总统保留态度的看法就被各大新闻通讯社和电视新闻台铺天盖地地作了报道，接着上了互联网。
9.To Put on the dog 摆阔、装门面
例句：But what I like about him was that he never put on the dog to show off his money.
但是我喜欢他的一点的是他从来不乱花钱来炫耀他的富有。
10.On the side 作为兼职
例句：He's a teacher but he does some journalism on the side.
他是教师,可还兼职做一些新闻工作.
11.Get into the swing of thing 积极投入某事
例句：It took time to get into the swing of things.
熟悉情况需要一些时间.
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