She just turned up unannounced on my doorstep.

她未打招呼就来到我家门口了。

He had just arrived unannounced from South America.

他刚从南美来，事先也没通知。

The school inspectors make an unannounced visit .

督学们进行了一次突击视察。

Only very close friends will just "drop by" unannounced.

只有非常亲密的朋友才会不打招呼突然造访。

Let's see how it likes the rudeness of an unannounced visit.

让我们看看“它”觉得这种突然拜访的无礼性如何。

Much to the shock of everyone, Palmer comes unannounced to CTU.

很多反恐组的工作人员大吃一惊，帕默竟然没有打招呼就来到了反恐组。

This means that unplanned and unannounced server outages will happen.

这意味着一定会出现计划外的服务器宕机。

As a rule I went in unannounced, as though I were one of the family.

通常我都说来就来，好像我是那个家的一员。

Since they come unannounced, these moments can't be planned or forced.

由于它们毫无预警的来临，所以这些时刻是不能被规划或强制发生的。

Answer: It's really no fun, but we can't discuss future unannounced products.

答：这的确没有乐趣，但我们不能讨论还没有发布的未来产品。

But right now they are unannounced, so you'll have to be patient on that info.

但它们现在还没有公布，所以你必须对病人的信息。

Exports of rare earths were subject to an unannounced weeklong ban (see article).

稀土出口下了莫名其妙的一周禁止令(见文章)。

Britain's Prime Minister David Cameron made an unannounced stop in Afghanistan Tuesday.

英国首相戴维·卡梅伦星期二在事先未经宣布情况下，前往阿富汗访问。

The concept of property, unannounced to most people today, is a fairly new social concept.

财产的概念，现今大多数人不知道这是一个“相当新”的社会概念。

Pop-ups arrive unannounced in empty storefronts or public spaces and leave just as quickly.

在商店空铺面或者公共场所，“弹出”式店铺未经预告就横空出世，它的消失也同样迅急。

On Christmas Eve 2008, the Unsafe showed up and played an unannounced set at 3 in the morning.

2008年圣诞前夜那次，一场很不安全的演出，而且在早晨3点的时候发生了突然事件。

No, no, no, no! I'd like you to take me to his room and unlock it so I can walk in unannounced.

不，不，不，不！我要你带我去他房间，给我开门，这样我就能悄悄地进去了。

Competition officials turned up unannounced to the offices of energy companies in three European countries.

竞争官员未提前宣布就出现了欧洲三个国家能源公司的办公室。

Work on other unannounced features is also proceeding well and we should be announcing them in the near future!

其他未宣布的特点的工作也进行得很好，我们应该在不久的将来宣布他们的工作！

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

是否有相关制度，对所有重点区域是否定期进行突击安全检查？

Flashing lights, spinning widgets, and videos that start unannounced don’t make the sale. Clear, informative content does.

闪烁的亮光、旋转的工具栏以及突然开始播放的视频，会让销售泡汤；而清晰、信息量足的内容则可以促成交易。

If his mother often drops by unannounced and this bothers his wife, the husband needs to ask his mother to call first.

如果他的母亲经常出其不意地造访，让妻子感到困扰，做丈夫的需要和母亲说，来之前请先打电话。

Americans usually like to have advance notice when people come to see them. Only very close friends drop by unannounced.

美国人通常喜欢访客事先通知他们，只有非常亲密的朋友才可能不请自来，尤其在客人要待好几天时更是如此。

Then a day came when the wind blew and the rain lashed the glass, and the Countess entered the Queen's room unannounced.

然后，在一个凄风苦雨的日子里，伯爵夫人突然不宣而至。

In retirement, he had a habit of popping up, particularly in booming Guangdong province, on unannounced "inspection" Tours.

退休期间，他还不时露面，尤其在繁荣的广东省，来个突然的“视察工作”之行。

Druids can heal as well, and some of the other classes that are planned but unannounced will also most likely have healing.

德鲁伊能够治疗，正计划但没有公开的某些其它职业很可能也将拥有像治疗方面的能力。

Describe the random unannounced security assessments of areas in your company's control within the supply chain are conducted.

描述一下在你们公司管控下的，供应链的区域，所实施的任意的未申报的安全评估的区域或环节。

My immediate thought was that his wife would probably be furious that he had brought home a young female hitchhiker, unannounced.

我立刻就想到她的妻子可能会很愤怒，因为没有事先说好就载一名年轻的女性回家。