1. 一根筋儿 one track-minded.
别跟他较劲了。他一根筋，你还不知道?
Stop reasoning with him. Don’t you know he is one track-minded?
2.出众的人 a lulu
要说漂亮，我们公司新来的秘书可算是个相貌出众的女孩子了。
Talking about being pretty, our company’s new secretary is indeed a lulu.
3.两面派 two-faced
我知道怎样对付两面派，而且一眼就能看出谁是一贯两面讨好的人。I know how to handle two-faced people and can even tell at the first glance who are in the habit of running with the hare and hunting with the hounds.(注：run with the hare and hunt with the hounds指人两面讨好，不得罪任何一方的做法。)
4.傻大个儿 a lummox
听说那个傻大个儿把他们公司的买卖搞得一团糟。
It is said that the lummox has loused up their company’s whole business.
5.收破烂儿的人 a rag man
那些收破烂儿的人走街串户，有时也能挣不少钱。
Those rag men going from door to door sometimes may also earn quite a handsome sum of money.
