uncertain

听听怎么读

英 [ʌnˈsɜ:tn]

美 [ʌnˈsɜrtn]

是什么意思

adj.

不确定的；不稳定的；不明确的；无常的

英英释义

uncertain[ ,ʌn'sə:tən ]

adj.
- lacking or indicating lack of confidence or assurance
  "uncertain of his convictions"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers"
  同义词：unsureincertain
- not established beyond doubt; still undecided or unknown
  "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain"
- not established or confirmed
  同义词：unsealed
- not certain to occur; not inevitable
  "everything is uncertain about the army"; "the issue is uncertain"
- subject to change
  "the weather is uncertain"
  同义词：changeableunsettled
- not consistent or dependable
  "an uncertain recollection of events"; "a gun with a rather uncertain trigger"
- ambiguous (especially in the negative)
  "she spoke in no uncertain terms"

学习怎么用

词组短语

uncertain about对…不能肯定

同近义词辨析

uncertain, questionable, doubtful, ambigous

这组词都有“怀疑的，不确定的”的意思，其区别是：

uncertain多指因缺乏证据或了解而捉摸不定，也指因不能预料而不能作出选择。

questionable通常指怀疑某行为是否恰当，或指有根有据的怀疑。

doubtful指对某个问题持积极怀疑的，有疑问的态度，强调缺乏确信。

ambigous指因缺乏明确感或因为有各种不同的解释而值得怀疑。

双语例句

用作形容词(adj.)

Life on earth is short and uncertain.
地面上的生命是短暂而不确定的。
I'm uncertain whether to go or not.
我不能肯定去还是不去。
It seems uncertain why he lost the election.
他落选的原因似乎并不清楚。
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。
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。
The uncertain weather delayed our departure.
天气变换莫测，延误了我们启程。

权威例句

A logic for uncertain probabilities
Estimating uncertain spatial relationships in robotics
Estimating Uncertain Spatial Relationships in Robotics
Robust solutions of uncertain linear programs
Uncertain Lifetime, Life Insurance, and the Theory of the Consumer
Adjustable robust solutions of uncertain linear programs
Robust control of a class of uncertain nonlinear systems ☆
Delay-dependent robust stabilization of uncertain state-delayed systems
Robust Stability of a Class of Uncertain Nonlinear Systems via Fuzzy Control: Quadratic Stability, H∞ Control Theory, and Linear Ma...
Malignant small cell tumor of the thoracopulmonary region in childhood. A distinctive clinicopathologic entity of uncertain histogen...

同义词