柯林斯詞典rat /r?t/ (ratting,ratted,rats) 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)騐室中用老鼠做試騐得到証明。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裡弄來的那支槍乾什麼呢?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。 返回 rat劍橋詞典 rat noun [C] (ANIMAL) a small rodent , larger than a mouse , that has a long tail and is considered to be harmful 鼠;老鼠;大家鼠 Rats carry disease . 老鼠傳播疾病。 I think we've got rats (= there are rats in our house ). 我覺得家裡有老鼠。 例句 Bottles of lemonade doctored with rat poison were discovered in the kitchen .In biology classes at school we used to dissect rats.The period of gestation of rats is 21 days .The barn was infested with rats.We put down some poisoned bait to kill the rats. rat noun [C] (PERSON) informal an unpleasant person who deceives others or is not loyal 卑鄙小人;騙子;背信棄義的人 返回 rat