恐怕我有点糊涂了，不太确定从哪儿开始。
I'm afraid I'm a little muddled. I'm not exactly sure where to begin.
“我不敢确定。”她躲躲闪闪地答道。
那是17世纪，牛顿确定水的凝固点之前。
It was the seventeenth century before Newton determined the freezing point of water.
通过这样做，老师将能确定这个孩子对他正在读的内容的理解程度。
Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading.
这位总统从未确定在这个问题上自己想要朝哪个方向走。
The president has never been sure which direction he wanted to go in on this issue.
他不能确定自己理解是否正确，尽管该理论的逻辑推理引起了他的兴趣。
He wasn't sure he'd got it right, although the theory attracted him by its logic.
私下里说，我不确定这没有超出他们的理解。
Confidentially, I am not sure that it wasn't above their heads.
由于对这个评论的含义不确定，赖尔选择了保持沉默。
Unsure of the meaning of this remark, Ryle chose to remain silent.
他以前从未讲过课，他甚至不能确定自己是否应当从事教学。
He'd never been in a class before and he was not even sure that he should have been teaching.
最糟糕的是，我甚至不能确定他们是否收到了我的信。
The worst of it is that I can't even be sure if they received my letter.
他承认自己反复推究不是因为他确定找到了真理，而是因为那给了他很多乐趣。
He philosophized, he admitted, not because he was certain of establishing the truth, but because it gave him pleasure.
经济气候依然是不确定。
进行了尸检以确定死因。
A postmortem was carried out to establish the cause of death.
我听到一些流言，但都不确定。
我们详细检查了措辞，才确定了最终文本。
We examine the wording in detail before deciding on the final text.
他用手指探查伤口，试图确定受伤的程度。
He explored the wound with his finger, trying to establish its extent.
销售部门试图确定一种产品的“独有卖点”。
Sales departments try to identify a product's USP or 'unique selling point'.
你必须给自己确定切实可行的目的和目标。
珀克斯先生详细地询问他们以确定其诚意。
Mr. Perks questioned them at length to establish their bona fides.
他们尽力保护自己免受困难和不确定因素的影响。
They tried to buffer themselves against problems and uncertainties.
他们反复讨论确定了一个莫斯科可以接受的妥协方案。
They have thrashed out a compromise formula acceptable to Moscow.
提供资金之前，他们得确定你是风险小还是大的信贷对象。
Before providing the cash, they will have to decide whether you are a good or bad risk.
光盘相对磁带在技术上的优越性是确定无疑的。
The technical superiority of laser discs over tape is well established.
我没有身份证件，所以警察无法确定我就是那辆车的主人。
I had no ID on me so the police couldn't establish that I was the owner of the car.
很难确定一个准确的数字，因为各家公司不愿公布它们的亏损情况。
It is difficult to quantify an exact figure as firms are reluctant to declare their losses.
美国国务卿与俄罗斯外交部长会晤，试图确定这项表述模糊的协议。
The Secretary of State and his Russian counterpart met to try to nail down the elusive accord.
她不知道他何时要走，甚至于还不能确定他究竟要不要走。
She couldn't know what time he'd go, or even for certain that he'd go at all.
医生们已经确定了他能过任何接近正常生活的惟一方法是给他做个手术。
Doctors have decided the only way he can live anything near a normal life is to give him an operation.
只要她能确定拍这张照片的时间，米克就可以有一个无懈可击的不在现场的证据。
If she could just establish the time the picture had been taken, Mick would have a watertight alibi.
在所有细节最终确定之前我们无可奉告。
We are saying nothing until all the details have been finalized.
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