We cannot say for sure what will happen.
我们说不准将会发生些什么。
I think he'll be back on Monday, but I can't say for sure.
我想他星期一会回来，不过我不敢肯定。
"I can say for sure that no one else loves me more than you do in this world," stated Sophia tearfully.
“我可以肯定地说，在这个世界上，没有人比你更爱我了。”索菲娅含泪说道。
This fear mechanism is critical to the survival of all animals, but no one can say for sure whether beasts other than humans know they're afraid.
这种恐惧机制对所有动物的生存都至关重要，但没有人能肯定人类以外的动物是否知道自己在恐惧。
You can't say for sure that it won't rain tomorrow.
明天难保不下雨。
It is impossible to say for sure.
这一点是不可能确定的。
我不能肯定。
没有人可以确定。
No Middle East expert can say for sure.
目前，没有哪位中东问题专家可以给出肯定的答复。
Charlie: I really couldn't say for sure.
查里：我真的说不清。
But they cannot say for sure who is fighting whom-or why.
但是他们不能确切说出谁在和谁打仗——或是为了什么。
I can say for sure, however, that love is not logical.
然而，我可以肯定地说，爱是没有逻辑而言的。
For now, I can say for sure, it's certainly good enough.
目前来看，我可以肯定地说，它显然已经足够好了。
But the researchers did not study enough of them to say for sure.
但是由于研究尚未充分，研究人员无法确定这一点。
As for the language workbenches, it is difficult to say for sure.
至于语言工作台，现在很难明确地给出答案。
You can never say for sure exactly when your goal will be achieved.
你也无法精确的预知何时你的目标能够实现。
The surrounding islanders cannot say for sure why the wall was built.
周围的岛上居民说不准为什么要建围墙。
But until and unless somebody does the research, no one can say for sure.
但是直到或者除非有人做了这项研究，没有人可以百分百地肯定。
Researchers can't say for sure why some people tend towards greater ambivalence.
研究人员无法确定为什么某些人的纠结情绪会浓于他人。
I cannot really say for sure that Malta have improved lately, but I hope so.
我真的不能肯定地说，马耳他已在近期有所改善，但我希望如此。
All we can say for sure is that such events are more likely in a warmer world.
我们能确切说明的是，这样的事件更可能在一个较热的世界发生。
I will not say for sure is it good or bad, and whether it is a disease at all.
我不会说那肯定是好的还是坏的，以及它是否是一种疾病。
The unrest shows no sign of dying down. Yet no one can say for sure how it will end.
但似乎动乱平息的标志并没有出现，现在仍然没有人能肯定这场混乱将如何结束。
"You can't say for sure," he says, "but you get a feeling this is more than cyclical."
“你不能完全肯定的说，”他说道，“但是你有一种感觉这似乎不单单是周期性那么简单。”
For Versace, we can say for sure that the financial crisis has not yet made an impact on us.
对范思哲来说，我们可以肯定金融危机尚未对我们带来冲击。
No one can say for sure; much of the payoff from leadership development is far down the road.
没人能做出肯定回答，因为领导力开发的好处要经过很长一段时间才能显现。
None of the candidates can say for sure that he can get No.1 before he takes the BEC Higher.
我想没有任何考生在考BEC高级前可以百分百肯定地说他可以考得第一名。
We can't say for sure that no one will ever find a loophole in our ranking algorithms in the future.
我们不能肯定的说，没有人会发现我们排名算法的漏洞。
We can't say for sure that no one will ever find a loophole in our ranking algorithms in the future.
我们不能肯定的说，没有人会发现我们排名算法的漏洞。
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