uncertain

英 [ʌnˈsɜːtn]

美 [ʌnˈsɜːrtn]

adj.  无把握; 犹豫; 拿不准; 多变的; 难预料的; 不确定的; 未决定的

高考CET4CET6法律

Oxford 3000 / Collins.2 / BNC.3532 / COCA.4291

同义词辨析

uncertainambiguousarguableequivocalindefinitevague【导航词义：不确定的】

习惯用语

adj.

in no uncertain terms
• 明确有力地；毫不含糊地
  clearly and strongly
• I told him what I thought of him in no uncertain terms.
  我直言不讳地说出了我对他的看法。

牛津词典

adj.

• 无把握；犹豫；拿不准
  feeling doubt about sth; not sure
  1. They're both uncertain about what to do.
     他们两人都拿不定主意该怎么办。
  2. I'm still uncertain of my feelings for him.
     我仍不能肯定我对他的感情。
• 多变的；难预料的
  likely to change, especially in a negative or unpleasant way
  1. Our future looks uncertain.
     我们似乎前途渺茫。
  2. a man of uncertain temper
     脾气令人捉摸不透的男人
• 不确定的；未决定的
  not definite or decided
  1. It is uncertain what his role in the company will be.
     他在公司担当什么职务尚未决定。
• 信心不足的；迟疑的
  not confident
  1. The baby took its first uncertain steps.
     宝宝迈出了最初的蹒跚的脚步。

柯林斯词典

• ADJ-GRADED 不确定的；迟疑的；无把握的
  If you areuncertain aboutsomething, you do not know what you should do, what is going to happen, or what the truth is about something.
  1. He was uncertain about his brother's intentions...
     他拿不准他哥哥的意图是什么。
  2. They were uncertain of the total value of the transaction...
     他们还不确定这笔交易的总价值是多少。
  3. He stopped, uncertain how to put the question tactfully...
     他停顿下来，犹豫着该如何巧妙地提出那个问题。
  4. With some hesitation and an uncertain smile, she held out her hand.
     她犹豫了一下，带着迟疑的微笑把手伸了出去。
• ADJ-GRADED 未知的；不明了的；不确定的
  If something isuncertain, it is not known or definite.
  1. How far the republics can give practical help, however, is uncertain...
     然而，这些共和国究竟能够提供多少切实可行的帮助还未可知。
  2. It's uncertain whether they will accept the plan...
     还不确定他们是否会接受这一方案。
  3. Students all over the country are facing an uncertain future.
     全国各地学生前途未卜。
• PHRASE 明确地；毫不含糊地
  If you say that someone tells a person somethingin no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.
  1. She told him in no uncertain terms to go away.
     她明白无误地叫他离她远远的。

英英释义

adj

• ambiguous (especially in the negative)
  1. she spoke in no uncertain terms
• not established beyond doubt
  1. an uncertain future
  2. a manuscript of uncertain origin
  3. plans are still uncertain
  4. changes of great if uncertain consequences
  5. without further evidence his story must remain uncertain
• lacking or indicating lack of confidence or assurance
  1. uncertain of his convictions
  2. unsure of himself and his future
  3. moving with uncertain (or unsure) steps
  4. an uncertain smile
  5. touched the ornaments with uncertain fingers
  Synonym:unsureincertain
• not certain to occur
  1. everything is uncertain about the army
  2. the issue is uncertain
• not consistent or dependable
  1. an uncertain recollection of events
  2. a gun with a rather uncertain trigger
• not established or confirmed
  1. his doom is as yet unsealed
  Synonym:unsealed
• subject to change
  1. a changeable climate
  2. the weather is uncertain
  3. unsettled weather with rain and hail and sunshine coming one right after the other
  Synonym:changeableunsettled

双语例句

• How far the republics can give practical help, however, is uncertain
  然而，这些共和国究竟能够提供多少切实可行的帮助还未可知。
• It's still uncertain whether the College Spring Sports will be held this year.
  学院今年的春运会是否开还是个未知数。
• The future for manned space flight is looking increasingly uncertain.
  载人宇宙飞行的前景看上去充满了越来越多的变数。
• With some hesitation and an uncertain smile, she held out her hand.
  她犹豫了一下，带着迟疑的微笑把手伸了出去。
• For a minute he looked uncertain, and then recovered his composure
  有一小会儿他看上去有些迟疑不定，之后又恢复了镇定。
• The evidence of this is uncertain.
  关于这一点还没有确切的证据。
• The economic climate remains uncertain.
  经济形势依然不确定。
• The date of the ship's arrival is uncertain.
  船到的日期未定。
• Students all over the country are facing an uncertain future.
  全国各地学生前途未卜。
• The future is so uncertain that one man's guess is as good as another's.
  未来的事情很难臆测，大家都心中无数。