Question

rat n.变节者；鼠；卑鄙的人v.捕鼠；背叛；偷窃 (1) 大家叫他变节者/叛徒。(2) 那条狗撕咬著一只老鼠。(3) 那只狗闻到了老鼠的气味。(4) 现在我知道了为什么人们说他是卑鄙小人了。(5) 可是你答应过要帮我们的忙，你这言而无信的小人！(6) 他们说他们会帮忙的，但他们却背叛了朋友。(7) 他为什么背弃了朋友们呢?(8) 我们不应违背诺言。

Accepted Answer

英 [ræt] 美 [ræt] (1) He was regarded as a rat.(2) The dog was worrying a rat.(3) The dog nosed out a rat.(4) Now I can see why people say he is such a rat.(5) But you promised to help us, you rat!(6) They said they'd help but they have rat on their friend.(7) Why did he rat out on his friends?(8) We should not rat on our promises. 1[N-COUNT 可数名词]老鼠；耗子 A rat is an animal which has a long tail and looks like a large mouse. This was demonstrated in a laboratory experiment with rats.在实验室用老鼠进行的实验证明了这一点。...a rat-infested derelict building.鼠灾泛滥的废弃建筑2[N-COUNT 可数名词]卑劣的人；不忠实的人；小人 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.   [disapproval]  [INFORMAL 非正式]What did you do with the gun you took from that little rat Turner?你是怎么处理从那个叫特纳的小叛徒手里得到的枪的？3[VERB 动词]告密；出卖 If someone rats on you, they tell someone in authority about things that you have done, especially bad things.   [V on n]  [INFORMAL 非正式]They were accused of encouraging children to rat on their parents.他们被指控唆使儿童告发自己的父母。4[VERB 动词]违约；食言 If someone rats on an agreement, they do not do what they said they would do.   [V on n]  [INFORMAL 非正式]She claims he ratted on their divorce settlement.她声称他违反了他们的离婚协议。5[PHRASE 短语]怀疑有问题；发现不对头；有所警觉 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.   [V inflects]If I don't send a picture, he will smell a rat...如果我不寄出照片，他将有所察觉。Though Lloyd George's behaviour seemed curious, Haig still did not smell a rat.尽管劳埃德·乔治的行为古怪，黑格仍然没有任何怀疑。

英语单词	rat
英美音标	英 [ræt] 美 [ræt]
中文释义	n.变节者；鼠；卑鄙的人 v.捕鼠；背叛；偷窃
英语例句	(1) He was regarded as a rat. (2) The dog was worrying a rat. (3) The dog nosed out a rat. (4) Now I can see why people say he is such a rat. (5) But you promised to help us, you rat! (6) They said they'd help but they have rat on their friend. (7) Why did he rat out on his friends? (8) We should not rat on our promises.
中文例句	(1) 大家叫他变节者/叛徒。 (2) 那条狗撕咬著一只老鼠。 (3) 那只狗闻到了老鼠的气味。 (4) 现在我知道了为什么人们说他是卑鄙小人了。 (5) 可是你答应过要帮我们的忙，你这言而无信的小人！ (6) 他们说他们会帮忙的，但他们却背叛了朋友。 (7) 他为什么背弃了朋友们呢? (8) 我们不应违背诺言。
柯林斯解释	1 [N-COUNT 可数名词]老鼠；耗子 A rat is an animal which has a long tail and looks like a large mouse. This was demonstrated in a laboratory experiment with rats. 在实验室用老鼠进行的实验证明了这一点。 ...a rat-infested derelict building. 鼠灾泛滥的废弃建筑 2 [N-COUNT 可数名词]卑劣的人；不忠实的人；小人 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. [disapproval] [INFORMAL 非正式] What did you do with the gun you took from that little rat Turner? 你是怎么处理从那个叫特纳的小叛徒手里得到的枪的？ 3 [VERB 动词]告密；出卖 If someone rats on you, they tell someone in authority about things that you have done, especially bad things. [V on n] [INFORMAL 非正式] They were accused of encouraging children to rat on their parents. 他们被指控唆使儿童告发自己的父母。 4 [VERB 动词]违约；食言 If someone rats on an agreement, they do not do what they said they would do. [V on n] [INFORMAL 非正式] She claims he ratted on their divorce settlement. 她声称他违反了他们的离婚协议。 5 [PHRASE 短语]怀疑有问题；发现不对头；有所警觉 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. [V inflects] If I don't send a picture, he will smell a rat... 如果我不寄出照片，他将有所察觉。 Though Lloyd George's behaviour seemed curious, Haig still did not smell a rat. 尽管劳埃德·乔治的行为古怪，黑格仍然没有任何怀疑。

Rat [Informal 非正式 [V Smell Dog I N Count