Is there an established procedure to conduct unannounced security checks periodically for all areas of concern?

Little as the Vander Luydens encouraged unannounced visits , he could count on being asked to dine.

尽管范德路易登家不大欢迎不速之客, 但还是有可能请他吃顿饭.

an unannounced increase in bus fares

汽车票价未经公告的上涨

Does the company conduct random , unannounced internal audits of facility's security systems, processes, and procedures?

公司是否进行非定期的未事先通知, 对该厂区安全系统 、 操作工艺和程序进行内部审计?

You shouldn't have ditched class yesterday. We had an unannounced test.

你昨天本不应该逃课的. 我们做了一个临时测验.

Persons of higher status also may enter a subordinate's space unannounced.

而且,上司可以不打招呼直接进入下属的空间.

The joint statement in Baghdad follows an unannounced meeting between two leaders.

在一次突然的双方领导人会面之后,巴格达发表了联合声明.

Then unexpectedly and unannounced, he turned up at her door in Englishtown, New Jersey, on December 23.

12月23日, 在事先没有通知的情况下, 他出其不意的出现在黛安娜新泽西英格兰镇的家门前.

The meeting at which it was presented was unannounced and the paper unbalanced.

提交文本的那次会议未经通报而且该文本有失平衡.

He made an unannounced visit to Baghdad today and met with Iraq's prime minister.

契尼的此次访问事前并未对外公布.

The principal keeps students and teachers on their toes with unannounced visits to the classroom.

校长经常事先不通知地去听课,使得学生、教师都不敢怠慢.

The closet things, the dominant pattern are usually unanswerable.

最贴心的感受, 起主导作用的心理,往往是很难解释的.

They presented an unanswerable case for more investment.

他们提出了一个无可争辩的理由，要求增加投资。

I am not going to answer the unanswerable question.

我不会回答不能回答的问题.

Most of his remarks were unanswerable, which made them all the worse.

他的评论大多是无法争辩的, 这就更叫人恼火了.

As to the question you raised in your last letter, I think that it is unanswerable.

至于你在上封信中提出的那个问题, 我认为那是无法回答的.

And in his own eyes was love; and love was unanswerable. Such was his passionate doctrine.

他自己眼里也满溢着爱情, 而爱情是不容反驳的, 那是他激情的信念.

Undoubtedly we have not questions to ask which are unanswerable.

毫无疑问,我们不会提出难以回答的问题.

How much he still drinks is another unanswerable question, though he enjoys wine at official functions.

尽管他在正式场合喜欢喝葡萄酒,但他目前的酒量也是一个无法回答的问题.

He actually became convinced that the nurses had an unanswerable case...

他实际上已经相信了护士们的情况确实如此。

You know they're coming: Those seemingly unanswerable questions that pop up during job interviews.

你知道他们会来的 —— 工作面试中突然出现的那些看似无法回答的问题.