The main reason I can't is that I'm never sure I do solve anything.
我谈不好这个问题，主要原因是我从未有把握我解决过什么问题。
You're never sure who will come back fit and who won't from the internationals.
你不能确定谁从国家队回来还是全乎人。
A man with a watch knows what time it is. A man with two watches is never sure.
带一块手表可以叫人知道（准确）时间，然带两块手表却使人无法知晓。
I'm never sure if I'm getting the best price, most of the time I get all tongue-tied when I start haggling.
我总也不知道是不是买到了好价钱，大部分时间都是刚一开口侃价舌头就不听使唤了。
Im never sure if im getting the best price, and most of the time I get all tongue-tied when I start haggling.
我总也不知道是不是买到了好价钱，大部分时间都是刚一开口侃价舌头就不听使唤了。
I'm never sure if I'm getting the best price, and most of the time I get all tongue-tied when I start haggling.
我总也不知道是不是买到了好价钱，大部分时间都是刚一开口侃价舌头就不听使唤了。
Now, I was never sure why they needed to say who switched off the seat belt sign, but for some reason they always do.
—我从不知道为什么他们需要说是谁关闭了安全带信号，但是出于某种原因他们总是这样讲。
There's an old joke that says "a man with one watch always knows what time it is; a man with two watches is never sure."
有一个流传已久的笑话：“佩戴一只手表的人常常知道时间，而佩戴两只手表后反而难以确定了”。
Psychologists know you have to be careful when you go poking around the human mind because you're never sure what you'll find there.
心理学家认为，当你触及他人思想的时候必须格外小心，因为你永远也无法肯定你将会发现些什么。
If you aren't an expert going into the cinema, you're never sure how much of what you see on screen actually happened in real life.
如果你并不是一个专家而去看电影，看下来你也不能肯定电影里有多少是真实发生的。
On those cloudy days, Robert Neville was never sure when sunset came, and sometimes they were in the streets before he could get back.
在阴天，罗伯特·奈维尔判断日落的时间就不准了。有时在他赶回家之前，天就黑了。
"Everything has taken far longer than it should," a former official involved in the program said in a recent interview, "and you are never sure what you really accomplished."
参与该项目的一位前官方人士在最近的一次访谈中说，“所有的事情都与应该的情形相差甚远。你永远不可能确定实际上你能实现什么事项。”
The president has never been sure which direction he wanted to go in on this issue.
这位总统从未确定在这个问题上自己想要朝哪个方向走。
He'd never been in a class before and he was not even sure that he should have been teaching.
他以前从未讲过课，他甚至不能确定自己是否应当从事教学。
One can never be sure that it is not on the point of breaking out into action.
人们永远无法确定它是否即将付诸行动。
I am sure that I shall never learn it.
我肯定我永远也学不会。
I'll make sure you are never in a situation where you have to sit next to her again.
我保证你再也不用坐在她旁边了。
Preparing such a place can make sure that they will enjoy and never want to leave.
准备这样一个地方可以确保他们享受生活并且不再想离开。
You can never really be sure if they are having a problem without a real baseline of what the system looked like when it was behaving normally.
如果您不了解系统正常运行时的情况，并以此作为基准，那么您可能永远也无法真正地确定是否出现了问题。
This is easy with email: just make sure never to delete old emails, and use filters for effortless organization.
对于电子邮件来说这很容易：只要不把旧邮件删除，使用过滤器就能毫不费力的做到。
One thing is for sure: never use all caps, or else the form would look unprofessional and be difficult to scan.
还有一点要明确：一定不要用大写，不然表单会看起来不专业且难以阅读。
If you don’t have a plan you will never be sure how you are sizing up.
如果你没有一个计划，就没有把握做出判断。
Indeed, the past two decades of Chinese policy have been a concerted campaign to make sure it never has to.
的确，在过去的二十年里的中国政策就是一种保证这种事情不会发生的合作战役。
As I think about this more carefully, I see plainly that there are never any sure signs by means of which being awake can be distinguished from being asleep.
当我更仔细地思考这个问题时，我清楚地看到，根本没有任何可靠的迹象能够将醒着和睡着区分开来。
That should not have happened, and I'll try to make sure that it never happens again.
不应该有什么事情发生了，我会尽量确保它的事情不会再发生。
The best parodies are so good that the reader is never quite sure if the author really is joking or not.
最绝佳的戏仿往往是如此精彩，以至于读者们都不能确定作者是否是在搞恶作剧。
The best parodies are so good that the reader is never quite sure if the author really is joking or not.
最绝佳的戏仿往往是如此精彩，以至于读者们都不能确定作者是否是在搞恶作剧。
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