rat
noun
verb
ræt noun
1 an animal that looks like a large mouse with a long tail 大老鼠
2 someone who has been disloyal to you or deceived you [口] 卑鄙小人,骗子 spoken
But you promised to help us, you rat!
可是你答应过帮助我们的,你这言而无信的小人!
3
look like a drowned rat
to look very wet and uncomfortable 看上去像只落水老鼠
4
(like) rats leaving the sinking ship
used to describe people who leave a company, organization etc when it is in trouble (就像是)船沉鼠先溜,树倒猢狲散〔用来指公司、组织等出现困难时纷纷离去的人〕
verb
5 if someone rats on you, they tell someone in authority about something wrong that you have done 告发,告密;
[+ on ]
They’ll kill you if they find out you’ve ratted on them!
假如他们发现是你告发了他们,他们会杀掉你的!
6 to not do what you had promised to do [英] 食言,背信弃义; BrE
[+ on ]
He accused the government of ratting on its promises to the disabled.
他指责政府没有实现对残疾人所作的承诺。
7 if someone rats you out, they are disloyal to you, especially by telling someone in authority about something wrong that you have done [美,非正式] 告密,告发
You can’t rat out your team-mates.
你不能告发你的队友。