1. pack rat 喜欢收集一大堆自己不需要的东西的人;不可靠的人

For me there could be nothing worse than living with a pack rat.

对我来说人世间最痛苦的是莫过于同一个囤积狂共处一室。

2. rat race 过于激烈的竞争;争先恐后、一拥而上

I’d love to get out of the rat race and buy a house in some remote part of the countryside.

我真想退出这激烈的龙争虎斗，到乡下偏僻的地方买栋房子住。

3. look like a drowned rat 落汤鸡(多是因为大雨而湿透)

I had to cycle home in the rain and came in looking like a drowned rat.

我不得不淋雨回家，结果就成落汤鸡了。

4. rat-arsed 酩酊大醉

They came home completely rat-arsed.

昨晚他回到家时已经烂醉如泥。

5. rat fink 卑鄙小人;极端惹人厌的家伙

If I find the rat fink who informed on me, he won’t live long enough to do it again.

要是我找出那个出卖我的卑鄙小人，他就活不长了。