Whether the sound came from his head or from the hollow tree, that no one could say with certainty.
没有人能肯定地说，这声音是从他的脑袋里发出来的呢，还是从空树里发出来的呢？
I can't say with certainty what my plans are.
我无法肯定地说出我都有些什么计划。
I can say with certainty that he is a fair man who has no axe to grind over this matter.
我可以肯定地说，他在这个问题上是一个没有个人打算的好人。
One thing we can say with certainty is that leading in the polls is no guarantee of victory.
有一点我们可以肯定，民意调查的领先者并不能保证能够获胜。
One thing we can say with certainty is that leading in the polls is no guarantee of victory.
有一点我们可以肯定，民意调查的领先者并不能保证能够获胜。
We may say with certainty that the Japanese troops will meet with the most stubborn resistance in northern China.
我们可以断言，日军在华北今后将遇到最坚强的抵抗。
I cannot say with certainty which of my motives are the strongest, but I know which of them deserve to be followed.
我不能肯定地说我的哪一种动机最强，但我知道哪一个目标我必须遵循。
But whether the sound came from his head or from the hollow tree, that no one could say with certainty. So now he got the.
音是从它的脑袋里发出来的呢，还是从空树干里发出来的呢，他可没有把握下个判断。
But from what I experienced in myself I can say with certainty that it will be a blessing for many who seek relief both in their body and soul.
但是从我自己的亲身经验中（译注：在海宁格三度来台期间，世儒总共帮海宁格做了七次按摩），我可以很确信地说：这对于很多寻求解除身体与灵魂痛苦的人而言，将会是一大祝福。
Because of the natural role of appearance in human courtship, I can say with certainty that physical beauty does have some objective importance.
由于外貌在人类求爱过程中扮演的自然角色，我可以肯定地说，外表美确实有其客观的重要性。
Because of the natural role of appearance in human 11 courtship, I can say with certainty that physical beauty does have some objective importance.
由于外貌在人类求爱过程中扮演的自然角色，我可以肯定地说，外表美确实有其客观的重要性。
"You are so lucky, you have no discipline, easy school, and freedom, " the Xia Xi girls would say with certainty and envy. "All we get to do is study. "
“你可真幸运。你不需要遵守什么规矩，学业轻松，还自由，”夏溪的女孩们会如此笃定而又嫉妒地说。“我们呢，只能学习，没别的。”
Actually we can say with certainty that must not, this time, or want to take out the first two years, slow and motivation, accumulation has just started.
其实可以肯定地说，一定不是，这个时候，还是要拿出前两年的干劲来，稳扎稳打，积累才刚刚开始。
Indeed, it would be difficult to find anyone in modern Britain who could say with certainty that his ancestors had not come to the British Isles from somewhere else.
事实上，你很难找到一个现代的英国人，他能很肯定的说自己的祖先不是从其他地方来到不列颠岛的。
While it is still not possible to say with certainty that this is caused by human beings burning fossil fuels, it is undeniable that catastrophic changes are going on in the climate system.
虽然我们还不能肯定地说这是由于人类燃烧矿物燃料引起的，但是不可否认，气候系统正在发生灾难性变化。
All these events will be influenced to some degree by global temperatures, but it's impossible to say with certainty that any of them would not have happened in the absence of man-made global warming.
所有这些事件都将受到全球气温一定程度的影响，但是不能十分肯定地说，其中任何之一不会发生在没有人为全球变暖的情形里。
I can't say with any certainty that eating less can be a cure for obesity.
我不能断言节食能治疗肥胖症。
Real knowledge is possessing some information, something that you can say with an epistemological certainty: This I know!
真正的知识是掌握一些信息，是一些能够让你确定的说出：‘这个我知道！’的事物。
Minefields are areas filled with randomly scattered explosives: one can be pretty sure that some of them, some time, will explode -but one can't say with any degree of certainty which ones and when.
雷区是充满随机分布的爆炸的区域：我们可以确定它们中的一些，在某个时候，会爆炸——但我们不能以任何程度的确定新说要爆炸的是哪个区域以及何时爆炸。
I don't know how long records have been kept, but even if we can go back 500 yrs is that enough time given how old the earth is to say with any certainty?
我不知道目前有多长的记录。但是连地球的年龄至今都没有确切的结论，即便我们可以追溯到500年前的地震记录，它们是不是足以说明问题呢？
But what about when a baby chimp or ape whimpers and screams as it's being separated from its mother, couldn't we say with some certainty that the animal is crying?
不过，当与其母亲分开时，幼年的黑猩猩和猿会啜泣和尖叫，难道我们不能带点把握地说，它们是在哭泣吗？
Too may people have it in their heads that you should never fail. If you’re one of those people then I can say with absolute certainty that true success will never be yours.
有太多的人头脑里认定失败是不应该的，如果也你是其中一员，那么我保证，你不可能达到真正的成功。
Too may people have it in their heads that you should never fail. If you're one of those people then I can say with absolute certainty that true success will never be yours.
有太多的人头脑里认定失败是不应该的，如果也你是其中一员，那么我保证，你不可能达到真正的成功。
However, for several reasons I believe we can say with reasonable certainty that the lows are behind us.
然而，有几个原因我相信我们可以说，以合理的确定性的低点都抛在我们身后。
However, for several reasons I believe we can say with reasonable certainty that the lows are behind us.
然而，有几个原因我相信我们可以说，以合理的确定性的低点都抛在我们身后。
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