音标:[ræt] ; 柯林斯词典等级:2 级;
n. 鼠, 卑鄙的人, 破坏者, 变节者
vi. 捕鼠, 变节
vt. 弄蓬松
n. any of various long-tailed rodents similar to but larger than a mouse
n. a pad (usually made of hair) worn as part of a woman's coiffure
v. desert one's party or group of friends, for example, for one's personal advantage
v. employ scabs or strike breakers in
词型变化:名词复数形式 : rats ; 现在分词 : ratting ; 过去分词 : ratted ; 过去式 : ratted ; 第三人称单数 : rats
考试类型:[中考/高考/四级/六级/考研/托福/IELTS]
词性分布:
名词97%
动词3%

rat的用法和样例:

例句

用作名词(n.)
  1. He was regarded as a rat.大家叫他变节者/叛徒。
  2. The dog was worrying a rat.那条狗撕咬著一只老鼠。
  3. The dog nosed out a rat.那只狗闻到了老鼠的气味。
  4. Now I can see why people say he is such a rat.现在我知道了为什么人们说他是卑鄙小人了。
  5. But you promised to help us, you rat!可是你答应过要帮我们的忙,你这言而无信的小人!
用作动词(v.)
  1. The little boy likes to rat.这个小男孩喜欢捕鼠。
  2. They said they'd help but they have rat on their friend.他们说他们会帮忙的,但他们却背叛了朋友。
  3. Why did he rat out on his friends?他为什么背弃了朋友们呢?
  4. We should not rat on our promises.我们不应违背诺言。

常见句型

用作名词(n.)
  1. The rats have eaten holes in those bags of flour.大老鼠把那些面粉袋嗑出了窟窿。
  2. He looks like a drowned rat.他看上去像一只落汤鸡,全身都湿透了。
  3. But you promised to help us, you rat!可是你答应过要帮我们的忙,你这言而无信的小人!
用作动词(v.)
用作不及物动词S+~(+A)
  1. The dogs went ratting.狗都去捕捉老鼠了。
  2. They said they'd help us but they've ratted.他们答应帮助我们,但他们食言了。

常用短语

用作动词(v.)
rat on (v.+prep.)
    〈口〉背叛,告发; 食言 betray or inform on (sb); go back on (sth)rat on sb/sth

    That coward ratted on his fellow-workers.

    那个胆小鬼告发了和他一起干活的工人。

    The police know we're here.Someone must have ratted on us.

    警察知道我们在这儿,一定是有人背叛了我们。

    We shouldn't rat on our promise.

    我们不应该违背诺言。

词汇搭配

用作名词 (n.)
动词+~
  • catch a rat捕鼠
  • get rid of rats消灭老鼠
  • smell a rat怀疑其中有诈
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(淋得)像落汤鸡,浑身湿透
用作动词 (v.)
~+介词
  • rat on密告…
  • rat on one's friends背叛朋友

经典引文

  • When the rat protested that he loved Sal, she chucked a drink in his face.

    出自:Sun
  • Witnesses..ratting on former colleagues.

    出自:Literary Review
  • He's a solicitor who's ratted on a client! He could be struck off for that, you know!

    出自:K. Lette
【近义词】

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学英语单词
alce
alternate operation
analog communication system
apivore
arei
badger skin
banharn
beidel
bhutanis
bioirrigated
broncho-egophony
CADD - computer-aided design and drafting
cephalaspidas
Cobh
common mode operation
connecting rod jig
conyngham
court reporters
crop fair and refit
cut sheets
cystopteriss
D'Alembert's test for convergence
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Dichloro-chloroaniline-triazine
dumbification
earth metals
egyptian capitals
electric double refraction
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electrohydraulic steering gear
ethnically
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fixed destination ticket
gaftney
ghurry
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haunched arch
have a slate off
have many irons on the fire
heat pump plant
Hennickendorf
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indentured worker
key property
Leonidas I
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lossit
mactator
Nanny Goating
nearly best linear estimator
nephometer
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neutron powermeter
normal tooth profile
noseband
o-aminoazobenzene
odontus
organization for product design
payments balance
pear cider
pesture
petticoat insulator
phallocratic
Phosphoglucomutase(glucose-cofactor)
polymorphic transformation
post production
preputial diverticulum
principle of charge compensation
pseudotumor of kidney
ranicipitid
rankism
referee for inquiry
repulsion state
rhenium(iv) oxydifluoride
rhinoptia
roller oscillating tooth
rontgen radiation
room of mother and infant
saccharimete
Serg., serg.
shoot bull
side wall stock divider
soil seepage
sort results
sorting key
special-branch
square bands machine
steam coals
steiber
stir-frying with adjuvants
streak plate
Strong, Anna Louise
suicidism
surf skis
swift electron
thawing equipment
vankirk
wax-pod
wisconsin glacial period
yam yams