我们的胜利是确定无疑的；没有什么能阻挡我们。
有一点是确定无疑的，即两人对彼此都非常敬重。
One thing is certain, both have the utmost respect for each other.
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.
您确定不要来份点心吗？来杯奶昔如何？
我还不确定我们要写多少——希望不会太多！
I'm not sure how much we have to write yet—not too much, I hope!
把你的手给我，因为我想确定你真的还在这里。
Give me your hand, for I want to be sure that you are still here.
有很多事情我都不确定，所以和你一起工作会很好。
There are a lot of things I'm unsure of, so it's going to be good working with you.
我不确定我是否跑过那么远，我最好开始训练一下了。
Not sure I've ever run that far, so I'd better start doing a bit of training.
如果你不确定如何使用仪器或操作，请向老师寻求帮助。
If you are unsure of how to use any apparatus or how to operate, ask your teacher for help.
如果你不确定，向你信任的朋友、同事和专业人士寻求诚实的反馈。
If you're not sure, ask for honest feedback from trusted friends, colleagues and professionals.
未来英语是否会成为世界语言还不确定，但是我们也应该努力学习。
It's uncertain whether English will be the world language in the future, but we should still keep learning.
如果你不确定该如何和他们谈论这件事，可以向你信任的朋友寻求建议。
If you're not sure how to talk to them about it, ask a trusted friend for advice.
这些结果表明，提前想象坚持好奇心的结果有助于确定这一尝试是否值得。
These results suggest that imagining the outcome of following through on one's curiosity ahead of time can help determine whether it is worth the endeavor.
研究人员现在可以通过DNA来确定单个猴子的血统，而不用对猴子进行麻醉。
Researchers will now be able to determine the parentage of individual monkeys from DNA without tranquilizing the monkeys.
你可能觉得所有的训练都是浪费时间，但是我百分之百确定你以后会感激你所做的一切。
You may feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful for what you did.
我们相信，如果让动物在实验室里工作，它们会测试我们，以确定我们的耐心、忠诚和对地形记忆的极限。
We believe that if animals ran the labs, they would test us to determine the limits of our patience, our faithfulness, our memory for terrain.
“你会喜欢罗马的。”他十分确定地说道。
你必须给自己确定切实可行的目的和目标。
报告中确定的目标总体上是值得赞扬的。
在指南针发明之前，水手们必须依靠星星来确定方向。
Before it was invented, sailors had to depend on the stars to find direction.
即使在最确定一件事的时候，他也总能看到问题的另一面。
Even when most set upon a thing, he was always able to see the other side of the question.
新买家为这种材料确定了十几个新货源，其中大多数证明是可靠的。
The new buyer identified a dozen new sources for the material, most of which proved to be reliable.
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