rat

1. N-COUNT A rat is an animal which has a long tail and looks like a large mouse. 老鼠

This was demonstrated in a laboratory experiment with rats. 這點(diǎn)通過在實(shí)驗(yàn)室中用老鼠做試驗(yàn)得到證明。

2. N-COUNT If you call someone a rat, you mean that you are angry with them or dislike them, often because they have cheated you or betrayed you. 卑鄙小人[非正式]

What did you do with the gun you took from that little rat Turner?

你要用從卑鄙小人特納那里弄來的那支槍干什么呢？

3. V-I If someone rats on you, they tell someone in authority about things that you have done, especially bad things. 告發(fā)[非正式]

They were accused of encouraging children to rat on their parents. 他們被指控慫恿孩子們告發(fā)他們的父母。

4. V-I If someone rats on an agreement, they do not do what they said they would do. 違約[非正式]

She claims he ratted on their divorce settlement. 她聲稱他違背了他們的離婚協(xié)議。

5. PHRASE If you smell a rat, you begin to suspect or realize that something is wrong in a particular situation, for example that someone is trying to deceive you or harm you. 感覺事情不妙

If I don't send a picture, he will smell a rat. 如果我不寄張照片，他會起疑心。