No one knows for sure when or why it began to symbolize peace.
没有人确切地知道它是什么时候或者为什么开始成为和平的象征。
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。
That is because no one knows or sure if he really lived.
没人知道或确认他确实存在过。
A high achiever does not look for the safest, most comfortable or sure solution.
一个高成就人士不会看最安全、最舒适或者确定的方案。
Or to ravish me, and I'm sure.
或是为了迷惑我，我敢肯定。
Not everybody in Washington or Berlin is so sure.
并不是华盛顿或柏林的每个人都这么肯定。
I wasn't sure whether or not I should have my aims there.
我不确定该不该把目标定在那里。
We are not sure yet whether we'll go or not.
去不去，我们还不能肯定。
I am not sure whether this was courage or pigheadedness.
我不确定这是勇气还是顽固。
Make sure you insure your camera against loss or damage.
一定要给你的照相机投保，以防丢失或损坏。
He was not sure whether he wished her to stay or go.
他说不准他到底是希望她留下还是离开。
Whether or not we're successful, we can be sure that we did our best.
不管成功与否，我们确已尽了最大努力。
Make sure your hearing aid, wheelchair or eyeglasses are next to your bed.
确保你的助听器、轮椅或眼镜放在床边。
First, be sure to look up from your text or notes.
首先，一定要从你的课本或笔记中查找。
A sure test for would-be heroes is what or whom do they serve?
对那些想成为英雄的人来说，找到服务的对象或目的，是一个必经的考验。
Make sure you're getting real food without tons of added salt or sugar.
确保你吃到的是真正的食物，没有添加大量的盐或糖。
If you swim in a river or lake, be sure to investigate what is below the water surface.
如果你在河里或者湖里游泳，一定要弄清楚水面下有什么。
Sure, they may have been reckless or stupid.
当然，他们也许不在乎或者很傻。
Would I like to make a film someday, or travel more or write a book? Sure.
我希望或许有一天，我能够拍一部电影，旅行，或者写本书？
Do they gamble on cooperation (high payoff) or defection (low, but sure payoff)?
他们是在赌合作(高回报)还是背叛(低，但是肯定有回报)吗？
But not everybody in Washington or Berlin is so sure.
但在华盛顿或柏林不是人人都如此认为。
Before you stop or turn around, make sure your path is clear.
在你停下来或者掉头之前，确保你的路线是清楚的。
Be sure that you're warm enough or cool enough.
确保你是足够的温暖或者足够的凉爽。
Be sure to save any work or files before doing this.
在此之前确保所有文件和工作已经保存。
They continue to cheat on their wife or girlfriend, because they are sure they can get away with it.
他们继续欺骗妻子或女朋友，是因为他们很肯定能解决这些问题。
Make sure the appropriate business or technical data is added to the modeled faults.
另外，请确保向此模型化的故障添加合适的业务或技术数据。
If you're excited about something, whether it's a product, an idea, or an opportunity, make sure your audience can feel it.
如果某件事儿让你特别兴奋，无论它是件产品、是个主意还是个机会，你都要确保你的观众能有同样的感受。
Make sure that the network or any intermediate hubs are not a bottleneck.
请确保网络或任何中间集线器都不会成为瓶颈。
Make sure you're in intermediate or advanced mode, then click on a start node.
请确保处于中级模式或高级模式，然后单击某个开始节点。
Make sure you're in intermediate or advanced mode, then click on a start node.
请确保处于中级模式或高级模式，然后单击某个开始节点。
应用推荐