1. Monkey business

1.猢狲把戏

silly or deceitful behavior; stupid or time-wasting activity

愚蠢行为或欺骗行为；毫无意义或浪费时间的举动

Our accountant has been fired as there was some monkey business with the books.

会计师对账单做了手脚，已经遭到解雇。

Are you still fiddling about with those old tools? Stop the monkey business and get some new ones.

还在摆弄这些旧工具吗？别浪费时间了，换套新的吧。

2. Rat race

2.激烈的竞争

an exhausting routine, a hectic struggle for success

累人的工作，为了成功拼命奋斗

I'm so tired of the rat race. I'd love to retire and move to the country.

这里竞争过于激烈，让人感到精疲力竭。我打算退休，移居乡下了。

She started to work from home as she couldn't stand the rat race at the office.

由于不能忍受办公室激烈的竞争环境，她开始在家办公了。

3. Cat burglar

3.飞贼

a stealthy burglar who climbs into buildings, usually through upper windows, skylights, etc.

鬼鬼祟祟的盗贼，通常通过窗户、天窗进入建筑物内

Grandfather's old telescope has disappeared from the loft. It must have been a cat burglar that took it.

阁楼里祖父珍藏已久的望远镜不见了，一定是飞贼把它偷走了。

The inspector was surprised by the exploits of a cat burglar who only stole from upper floors and attics.

有个飞贼只从上层楼面和阁楼偷窃，这令巡视员吃惊不已。

4. Top dog

4.主要人物

the most important person in a group, somebody with the dominant position or highest authority

一群人中的关键人物，占主导地位或极有威信

I don't want to be the top dog at our company, I just do my job as well as I can.

我从未想过成为公司的主要人物，只是尽我所能做好工作。

Peter is the top dog at English in our class.

皮特是我们班英语成绩最好的人。