uncertain
- adj.不确定的;多变的;犹豫;拿不准;无把握;未决定的;信心不足的;难预料的
最高级： most uncertain 比较级： more uncertain
un- 否定 + certain adj.有把握的
uncertainadj.
无把握；犹豫；拿不准
feeling doubt about sth; not sure
They're both uncertain about what to do.
他们两人都拿不定主意该怎么办。
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
Our future looks uncertain.
我们似乎前途渺茫。
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
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
The baby took its first uncertain steps.
宝宝迈出了最初的蹒跚的脚步。
clearly and strongly
我直言不讳地说出了我对他的看法。
I told him what I thought of him in no uncertain terms.
uncertain
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1
ADJ-GRADED 不确定的；迟疑的；无把握的
If you are uncertain about something, you do not know what you should do, what is going to happen, or what the truth is about something.He was uncertain about his brother's intentions...
他拿不准他哥哥的意图是什么。
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He entered the hallway and stood uncertainly.
他走进门厅，犹疑地停了下来。
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3
ADJ-GRADED 未知的；不明了的；不确定的
If something is uncertain, it is not known or definite.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。
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4
PHRASE 明确地；毫不含糊地
If you say that someone tells a person something in no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.She told him in no uncertain terms to go away.
她明白无误地叫他离她远远的。
adj
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1
- ambiguous (especially in the negative)
- she spoke in no uncertain terms
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2
- 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
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3
- lacking or indicating lack of confidence or assurance
- uncertain of his convictions
- unsure of himself and his future
- moving with uncertain (or unsure) steps
- an uncertain smile
- touched the ornaments with uncertain fingers
- Synonym: unsure incertain
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4
- not certain to occur;not inevitable
- everything is uncertain about the army
- the issue is uncertain
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5
- not consistent or dependable
- an uncertain recollection of events
- a gun with a rather uncertain trigger
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6
- not established or confirmed
- his doom is as yet unsealed
- Synonym: unsealed
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7
- subject to change
- a changeable climate
- the weather is uncertain
- unsettled weather with rain and hail and sunshine coming one right after the other
- Synonym: changeable unsettled
数据来源：WordNet
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To reform a man is a tedious and uncertain labour ; hanging the sure work of a minute .
改造人是冗长而无把握的工作，绞刑则是举手之劳。
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Conclusions CT evaluation on mild brain injury induced by asphyxia or intrauterine fetal distress is not of any value and the role of CT evaluation on the HIE grade is uncertain and doubtful .
结论头颅CT对HIE临床分度的判断存在不确定性，对宫内窘迫、窒息所致轻微脑损伤的判断更无把握。
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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。
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I 'm still uncertain of my feelings for him .
我仍不能肯定我对他的感情。
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The baby took its first uncertain steps .
宝宝迈出了最初的蹒跚的脚步。
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Her future is uncertain .
她前途未卜。
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Our future looks uncertain .
我们似乎前途渺茫。
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Students all over the country are facing an uncertain future .
全国各地学生前途未卜。
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Whether the project will be a commercial success is still uncertain .
这个项目是否赚钱还是个未知数。
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She told him in no uncertain terms to go away .
她明白无误地叫他离她远远的。
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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。
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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。
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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。
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It 's uncertain whether they will accept the plan
还不确定他们是否会接受这一方案。
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The economic climate remains uncertain .
经济形势依然不确定。
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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。
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Armstrong is uncertain where his long-term future lies
阿姆斯特朗拿不准自己的人生远景在何方。
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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。
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The girl was uncertain what to do , or what tone of voice to adopt .
女孩不知道该做什么，也不知道该用什么口气说。
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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。
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He was uncertain about his brother 's intentions
他拿不准他哥哥的意图是什么。
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The sandbank was uncertain , like quicksand under his feet .
那个沙坝并不稳固，他脚下如同踩着流沙一般。
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It is uncertain whether she will win first place .
她是否会取得第一名还不太清楚。
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I am uncertain when he will come .
我不清楚他什么时候来。
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His uncertain temper made him have few friends .
他的脾气令人捉摸不透，因而没什么朋友。
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He was uncertain about whether to buy the jacket .
他拿不定主意要不要买那件夹克。
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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。
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The outcome of the matter is still uncertain .
此事还未见分晓。
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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。
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The date of the ship 's arrival is uncertain .
船到的日期未定。
指人对某事没有把握的，此时通常作表语；也指某事不明确的。
I am uncertain when he will come.
我不清楚他什么时候来。
He was uncertain about whether to buy the jacket.
他拿不定主意要不要买那件夹克。
It is uncertain whether she will win first place.
她是否会取得第一名还不太清楚。
His uncertain temper made him have few friends.
他的脾气令人捉摸不透，因而没什么朋友。
尤指可以理解为两种或更多意思，因而含糊不清、不明确的。
The minister's answer was highly ambiguous.
该部长的回答十分模棱两可。
Her role in the incident was ambiguous.
她在那次事件中的角色并不明确。
指不确定某事是否为真实的或准确的。
Whether or not he can be elected (as) mayor is arguable.
他是否能被选为市长有待商榷。
It is arguable whether the meeting should have been delayed.
这个会议原本是否应该推迟还是个问题。
指所给的信息、意见、答复等故意含糊其词的。
He was rather equivocal about his working experiences.
他谈到他的工作经历时有点含糊其词。
The answers given by the minister were always equivocal.
那位部长的回答总是模棱两可。
指不确定的、不清楚的或没有明确定义或限定的。
an indefinite number of people
不确定的人数
These terminologies are so indefinite that they are confusing.
这些专门用语很不明确，令人费解。
指提供的信息不够详细或表达的意思不够明确的，也指记忆等不清晰的。
The mayor gave only a vague outline of his employment plan.
市长只是含糊地大致说了一下他的劳动力就业计划。
The two students were vague about why they had been late.
对于为什么迟到，这两名学生含糊其词。
He had a vague recollection that he had put the key in the drawer.
他隐约记得自己把钥匙放在抽屉里了。
- 词语搭配
- 习语