We have all been in similar embarrassing situations.

Please make sure you have all your belongings with you when leaving the plane.

请确保在下飞机前带好所有的随身物品。

Have all the students been issued with books for the new course?

这门新课要用的书是否已经发给所有学生了?

Nanocrystalline materials have boundless prospects and nano technology is the decisive technology in the21st century.

前言：纳米材料和技术是21世纪“最有前途的材料”和“决定性的技术”。

It will have boundless prospects that IEEE 1394 as multimedia application interface. In this paper, transfer standard data standard and transfer mechanism are described and analyzed.

IEEE1394作为多媒体应用的接口，前途无量，本文对其传输标准、数据标准和传输机制矛以介绍和分析。

These findings have both theoretical and practical applications.

这些发现具有理论和实际的意义.

We have both changed since we parted.

分别以来我们彼此都变了.

Then, this means that we'll have both good and bad luck today?

那也就是说今天我们既有好运又有厄运?

There are a lot of types security of products on the market now, if the safe products have back doors or add the password, it has a bad influence on the E-government when using.

现在市场上有很多类型的安全产品，如果安全产品本身有后门或加了密码，对电子政务应用就会产生不良影响。

But in the UK do you guys have belief in your government? Do you think it has your best interests at heart? Reasons why.

但是在英国，你们也相信自己的政府吗？你们也是从心里头相信自己的政府吗？原因，为什么？

Social common values is what the society members at all levels generally agree to and have belief in during a specific social stage.

社会共同价值观是在一定历史时期的特定社会共同体中各社会阶层的社会成员普遍认同并持有的价值观。

Your reluctance is often caused because you do not have belief in your own abilities.

你们总是心不甘情不愿，因为你们完全没有对于自己能力的自信。

The impact is against traditional Chinese ethic and was attacked by conservationists, but many women still began to have belief in religion, which objectively formed women's opposition to feudal etiquette.

这种与中国传统伦理思想相背离的局面虽然受到了保守势力的激烈抨击，但是仍然有不少妇女毅然走上信教之路，客观上对长期以来束缚中国妇女的封建礼教形成一种抗争。

I have belief in his ability.

我相信他的能力.

At that day, I would like to go to Beijing, Because I never have been there before.

在那一天，我想去北京，因为我从来没有去过那里。

Even if it is air, it could have been there before the obstruction.

就算那是空气，也有可能在肠道阻塞前就在那儿呀。

After dark there come some visitors-noiseless visitors, with shoes of felt-who have been there before;

天黑以后来了几个人，他们穿着毡鞋，默不作声，以前就曾经到这里来过。

After dark there come some visitors noiseless visitors, with shoes of felt who have been there before; and with them comes that bed of rest which is so strange a one for infant sleepers.

天黑以后来了几个人，他们穿着毡鞋，默不作声，以前就曾经到这里来过。随着他们来的是一张安息的床，这是一张多么奇怪的给孩子睡眠的床啊！

They would have been there before the war, or before they were forced to go to the camps.

在战争之前，在他们被迫进入难民营之前，他们应该在这里。

Jessica: Yes, I have been there before.

知道，我以前去过。

You have been there before, you know pretty much what will happen.

但事情通常都不是你想的这么严重。