我们不能确定阑尾破了没有。
We are not certain whether the appendix had already burst or not.
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.
我不能确定这一论点能否经得住推敲,但是它却很令人兴奋。
I'm not sure if the argument holds up, but it's stimulating.
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.
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.
即使到现在,我们也不能确定这些激进分子不会找到某个新的借口在下一年冬天号召一场罢工。
Even now we could not be sure that the militants would not find some new excuse to call a strike the following winter.
如果您不能确定它们是什么,那就问。
确切数量目前尚不能确定。
也许有些人已经拿到了,但我们不能确定。
It may be that some have them already, but we cannot be sure.
我不能确定日期。
尽管我们不能确定,然而它似乎是生命力极强的物种。
However, it seems, though we can't be sure, that it's very good at persisting as a population.
我的导师建议我学经济和会计,但我还真不能确定(学哪个)。
My advisor suggested economics and accounting, but I am not really sure.
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.
这种理论缺乏决定性证据,就连科学也不能确定。
一般来说,还不能确定幼儿能否辨别广告中的幻想成分和现实成分。
Generally, there is uncertainty as to whether very young children can distinguish between fantasy and reality in advertising.
因此,直到最近发现蜥脚类恐龙筑巢地的化石之前,科学家们还不能确定蜥脚类动物到底是产卵还是胎生。
Until the recent discovery of fossilized sauropod nesting grounds, scientists were thus uncertain whether sauropods laid eggs or gave birth to live young.
我不能确定这有没有你想要的信息。
我不能确定为什么我开始攀登。
他不能确定这个消息意味着什么。
我仍然不能确定我们可以在一起。
然而我还是不能确定这次能否过关。
她说,其实连这一点她也不能确定。
但具体是何种动物仍不能确定。
你:哪个分支?我不能确定它的名字。
我不能确定这会对世界造成什么影响。
我不能确定送宇航员上太空能得到什么。
看看能不能确定亲子关系?
但我不能确定这样好不好。
如果你不能确定他人的感受,你可以提问。
如果你不能确定他人的感受,你可以提问。
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