音标:[.ʌn'sә:tn] ; 柯林斯词典等级:2 级; 牛津三千核心词汇;
a. 不确定的, 无常的, 不确信的, 不可预测的
[法] 不确定的, 未定的, 不确信的
a. lacking or indicating lack of confidence or assurance
a. not established beyond doubt; still undecided or unknown
a. not certain to occur; not inevitable
s. not consistent or dependable

考试类型:[高考/四级/六级]
词性分布:
形容词100%

uncertain的用法和样例:

例句

用作形容词(adj.)
  1. Life on earth is short and uncertain.地面上的生命是短暂而不确定的。
  2. I'm uncertain whether to go or not.我不能肯定去还是不去。
  3. It seems uncertain why he lost the election.他落选的原因似乎并不清楚。
  4. I told him what I thought of him in no uncertain terms!我毫不含糊地把我对他的看法告诉了他。
  5. This is a very uncertain time for the global economy.当前全球经济正面临一个极不稳定的时期。
  6. The uncertain weather delayed our departure.天气变换莫测,延误了我们启程。

词汇搭配

  • in no uncertain terms用十分明确的言词...
  • uncertain of对 ... 不确知...
  • uncertain about对 ... 不确知的...
  • be uncertain about对 ... 不确定...
  • be uncertain of不能确定
  • uncertain knowledge不确定知识
  • uncertain relation不定关系
  • market uncertain市场涨落不定...
  • uncertain system不确定系统
  • uncertain inference不确定性推理...
  • uncertain prognosis预后难定
  • uncertain rate不确定汇率
  • uncertain reasoning不确定推理
  • uncertain region不可辨区, 不确定区...

经典引文

  • A duty of very uncertain extent.

    出自:S. Johnson
  • There is nothing so uncertain as..human destiny.

    出自:J. McCosh
  • He was a man of uncertain temper and one could not..guess how he would react.

    出自:R. K. Narayan
【近义词】
【反义词】

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学英语单词
ammophila sabulosa vagabunda
approximated function
arsenic selenide
astrogeophysicists
asymptotic uncorrelation
bad mannerss
base casing head landing
beam chock
bepelted
black-faced bunting
buhrstone
bush harrow
caretas
circulars
Cladrastis platycarpa
coffin tack
container standards
corcas
ctenophores
defection drawing
deutron-proton process
Dine, Jim
direct run
disinvited
dissembleth
duster cloth
eat someone out of house and home
eclectic counseling
ECPERT
eidetikers
faff
fan type beater
filete
fipas
forgive me
frame powder
Freedom of Information Act
Frost, Robert
fumigating system
fur coat
genus montezumas
glandular abscess
gonosoma
grassland in the forest
greekish
half slope method
hands and doting monitor
heliya
hereditary drift
hermance
hold one's own
incomprehended
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iron saw
island of resistance
jumper stay
kirghizs
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longitudinal muscle layer
low velocity camera tube
mediolateral
metabolic chemistry
metheless
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minor seventh chord
no load release
order Haplosporidia
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panama-hat plant
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patronymical
pedipulator
poeticism
poonin'
pre-travel of the contact
prudishness
reciprocating diaphragm pump
reportability
retackling
richta scale
royalty as to know-how
sand volcano
shariati
shiny thread
silylthio-
specificity of enzymes
subclades
Subject-consciousness
succession by the eldest son
Sugadaira
supergravities
tail-skids
Tasiilaq
temperature distortion
tiringroom
Tompson
valve input capacitance
Vena hemiazygos
woodsley