The US Secretary of Defense, Robert Gates , has arrived in Afghanistan on an unannounced visit.

He entered ( the room ) unannounced.

他未经通报便[出其不意地]进入 ( 房间 ).

The unannounced design institutes cannot be engaged in design for relevant water project construction.

未经公告的设计单位不得从事相应等级的水利工程设计.

The United States'Defense Secretary went to Afghanistan for an unannounced visit.

美国国防部秘书长对阿富汗进行了秘密访问.

He had just arrived unannounced from South America...

他刚刚从南美来到这里，事先没有打招呼。

Are random, unannounced security assessments conducted on areas in the supply chain within your company's control?

在你们公司供应链的监控中有随机 、 未经通报的安全评测 吗 ?

A particularly fun new game is to march off unannounced a walk.

最有趣的新游戏是没有经过报告就擅自外出散步.

My first night in Saigon I paid an unannounced visit to my father's cousins.

到西贡的第一个晚上，我给父亲的堂兄堂弟们来了个突然袭击。

CERES has to policy of performing about 10 % unannounced inspections on a randomized basis.

CERES必须根据政策随机选择10%进行不通知的检查.

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

这里有没有建立一个可以不预先通知的安全检查管理规定可以检查所有地区的安全情况.

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.