“我不敢确定。”她躲躲闪闪地答道。
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.
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.
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.
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.
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.
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.
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.
“你确定这筏子安全吗？”她不安地问。“再安全不过了，”马克斯自信地向她保证。
"Are you sure the raft is safe?" she asked anxiously. "Couldn't be safer," Max assured her confidently.
我听到一些流言，但都不确定。
这些房子在五年前就确定要拆除了。
他说确定轻重缓急至关重要。
世界杯的举办地点尚未确定。
他接受检查，以确定是否有出血迹象。
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.
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.
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.
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'.
他说日本将继续贯彻伦敦峰会上确定的方针。
He said Japan would continue to pursue the policies laid down at the London summit.
3个国家的谈判代表在8月最终确定了协议。
Negotiators from the three countries finalized the agreement in August.
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.
救援队伍正利用热成像确定地震幸存者的位置。
Rescue teams are using thermal imaging to locate survivors of the earthquake.
他们希望这种等待和不确定性会削弱我的抵抗。
They hoped the waiting and the uncertainty would wear down my resistance.
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.
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