94生活常识网有道词典

rat

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音标发音

  • 英式音标 [ræt]
  • 美式音标 [ræt]
  • 国际音标 [ræt]
  • 英式发音
  • 美式发音

基本解释

  • n. 鼠；卑鄙小人，叛徒
  • vi. 捕鼠；背叛，告密
  • n. (Rat)人名；(法、意、印、瑞典)拉特；(泰)叻

同根派生

  • adj性质的同根词
    ratty：像老鼠的；破烂的。
  • n性质的同根词
    ratter：捕鼠者；叛徒。

用法辨析

    v. (动词)

  • rat用作名词时意思是“鼠”,转化为动词意为“捕鼠”,引申可表示“背叛”“告发”“食言”。
  • rat只用作不及物动词,在口语中常与介词on连用。
  • rat的过去式和过去分词均为ratted。

英汉例句

    用作名词 (n.)

  • The rats have eaten holes in those bags of flour.
    大老鼠把那些面粉袋嗑出了窟窿。

    • 用作动词 (v.)

    用作不及物动词: S+～(+A)

  • The dogs went ratting.
    狗都去捕捉老鼠了。

词组短语

    用作名词 (n.)

    动词+～

  • catch a rat 捕鼠
  • get rid of rats 消灭老鼠
  • smell a rat 感到不妙；感到有可疑之处

    • 形容词+～

  • brown rat 棕色鼠
  • dirty rat 卑鄙的人

    • 名词+～

  • the water rat 水鼠

    • 介词+～

  • like a rat in a hole 像瓮中之鳖,很有把握
  • like a drowned rat 浑身湿透（象落汤鸡）

    • 用作动词 (v.)

    ～+介词

  • rat on 撤销；背叛，告发

英英字典

    剑桥英英字典

  • (ANIMAL) a small rodent, larger than a mouse, that has a long tail and is considered to be harmful
  • (PERSON) an unpleasant person who deceives others or is not loyal

    • 柯林斯英英字典

  • A rat is an animal which has a long tail and looks like a large mouse.
  • 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.
  • If someone rats on you, they tell someone in authority about things that you have done, especially bad things.
  • If someone rats on an agreement, they do not do what they said they would do.
  • 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.

专业释义

    生物学

  • 大鼠
  • 耗子
  • 鼠

    • 交通运输工程

  • 老鼠

    • 电子、通信与自动控制技术

  • 送受话器 (receiver and transmitter)
  • 收发信机