They had been invited to a Hindu wedding and were not sure what happened on such occasions.
有人邀请他们去参加一个印度教徒的婚礼，但他们不清楚这样的庆典会是怎样一种场面。
They were not sure whether he could come or not.
他们不能肯定他是否能来。
They were not sure whether they could come or not.
他们不能确定是否能来。
As usual, when they met, they were not sure what to say.
像以前一样，当他们见面时，不知道说什么好。
The French, after all, were not sure if the joint venture would last.
毕竟法国一直不确定合营公司是否能长久。
They loved the house but were not sure of the firmness of its foundation.
他们很喜欢这个房子，可是对其地基的坚固没有把握。
Officials at the ESA were not sure exactly what caused the camera to fail.
官员们不确定到底什么是ESA引起的相机的失败。
What would you do if you were not sure about your solution to your problem?
如果你对你解决问题的方案不是很确定的时候，你会怎么办呢？
They offered various explanations, but were not sure how the hole had been caused.
他们提出多种解释，却不能确定这个洞时是怎么造成的。
The British media were not sure what to make of this swaggering ego with playboy looks.
英国媒体不清楚，是什么让这个高傲的自大狂拥有一副花花公子的面相。
Activists were not sure if Philip Morris would suffer any backlash from the Czech report.
目前，有关人士还不清楚公司是否会因这份报告而在捷克市场受到打击。
Astronomers were not sure if Titan's atmosphere contained the elements necessary for life.
天文学家无法断定土卫六的大气层中是否含有生命存在的必要元素。
When vraptor3 came out, we were not sure whether it should be a JAX-RS implementation or not.
当vraptor 3出来的时候，我们不能确定它是否应该是一个JAX - RS的实现。
This year, 16.5% said they were not sure, marking the greatest uncertainty over the last four years.
今年，16.5%的人持不确定的态度，是过去四年来比例最大的一年。
He could not talk anymore and they were not sure that he could understand the words spoked to him.
他们不知道他这能否理解别人对他说的话了。
In March 2010, researchers discovered ice on the North Pole, though researchers were not sure how much.
在2010年3月，研究人员在月亮的北极发现了冰，尽管还不确认有多少。
Another 18% of mothers of multiples were not sure if the feelings they had amounted to postnatal depression.
还有18%生过多胞胎的母亲不能确定他们的情绪是否已经到了产后抑郁症的程度。
As we were not sure of his age or anything else about him, there is only one word on his gravestone-heathcliff.
因为我们不知道他确切年龄或其他情况，所以墓碑上只有一个字——希斯·克利夫。
For several days, Letchford and his family were not sure whether he had been infected by the man who robbed them.
好几天，拉提佛和他的家人都不确定他是不是被那个抢夺他们的人感染了。
"It looks very much like overkill," he said. "like they were not sure what would be needed, what would not be needed."
他说：“看起来太夸张了，好像他们不确定什么是需要的、什么是不需要的。”
Asked in a poll last year whether France should fully rejoin, 38% said yes, 34% said no and 28% said they were not sure.
对于法国是否应该全部重返北约的问题，去年进行了一次民意测验。38%的人赞成；34%的人反对；28%的人说他们不知道。
If he manages, the PDP might even ask him to stand for another term, since other leaders have never contested an election they were not sure to win.
如果他做到了，PDP或许会要求他再干一轮，因为其他的领导们从来都没有参加过一场不知道是否会赢的选举。
The baby was then taken to the hospital's neonatal intensive care unit for further treatment, but doctors were not sure how long she will live.
婴儿随后送入医院的新生儿加护病房继续治疗，但是医生们不确定她还能活多久。
Think about the last time you were involved in a new activity and you did not know how you react and were not sure whether you will succeed or not.
请你回想一下上一次你采取新举措时的情景，你那时不知道该如何应对新状况，也不清楚你会成功还是失败。
The scene was over in two minutes; Catherine, released, put her two hands to her temples, and looked just as if she were not sure whether her ears were off or on.
这一场大闹两分钟就完了；凯瑟琳被放开了，两只手放在她的鬓骨上，神气正像是她还不能准确知道她的耳朵还在上面没有。
Nasa engineers were not sure at first whether the heater's reluctance to operate was a simple thermostat failure or a more deep-seated issue in an electrical switchbox.
美国航空航天局的工程师们最初不能确认加热器不愿运转是简单的恒温器故障还是电气开关箱内的更深层次问题。
Scientists are still not sure what messages the sun bears were sending to one another.
科学家们仍然不确定太阳熊之间互相传递了什么信息。
We are not sure how well we can reproduce the melodies or rhythms, because they were apparently improvised in many cases.
我们不确定我们能多完整地重现旋律或节奏，因为它们显然在很多情况下是即兴创作的。
We are not sure how well we can reproduce the melodies or rhythms, because they were apparently improvised in many cases.
我们不确定我们能多完整地重现旋律或节奏，因为它们显然在很多情况下是即兴创作的。
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