I'm not certain who was there.
我无法确定谁当时在场。
The company's financial position is not certain.
这家公司的财务状况不明朗。
It's not certain they'll accept that candidate if he wins.
如果那位候选人胜出，无法肯定他们是否会接受他。
We are not certain whether the appendix had already burst or not.
我们不能确定阑尾破了没有。
To be honest, I'm not certain.
老实说，我不能肯定。
你不够肯定。
我不确定我可以。
我也不确信这个消息。
No, to be honest, I'm not certain.
不知道。老实说，我是不肯定。
I'm not certain of the exact date.
我精确的日期不是确定的。
What brought it on? I'm not certain.
我不知道它带来了什么？
I am not certain what I ought to do.
我无所不能确定我该做什么。
Once again, if you're not certain, ask.
再次提醒，如果你不确定那就去问个究竟。
I am not certain (about) where he lives.
我不太确定他住在哪里。
I am not certain love the data did exist.
我不确定也许有那样的信息库存在。
I was not certain whether he had seen me.
我不能肯定他是否已看见我。
I'm not certain if he's telling the truth.
我不能肯定他是否在说真话。
还不确定。
I'm not certain where this ought to be put.
我不能确定这东西该放在什么地方。
还不确定。
Alas, further liberalisation is not certain.
可惜，我们却不能确定自由化能否更进一步。
I'm not certain what the effect on the world will be.
我不能确定这会对世界造成什么影响。
It is still not certain such an approach will be taken.
现在仍不能确定是否会动用这个办法。
I say seems because I'm not certain where they are made.
我说好像是因为我不确定它们是哪里制造的。
Dr Thrun is not certain that any vehicle will be up to that challenge.
杜伦博士不能肯定能否有车辆可以胜任此项挑战。
I'm not certain that the public will respond in the way that Cameron hopes.
我不确定民众是否会如卡梅伦所希望的那般来响应。
Such a progression is not certain, particularly given slightly more positive data over recent years.
这样的进展是不确定的，尤其是稍稍考虑到近几年的更为积极的数据时。
Of course, this just has to be concept technology, and I'm not certain how well this would work, honestly.
当然，老实说，现在还只是一些概念技术，我不确定以后会怎么样。
Of course, this just has to be concept technology, and I'm not certain how well this would work, honestly.
当然，老实说，现在还只是一些概念技术，我不确定以后会怎么样。
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