security

The trial was held under tight security .

这场审讯是在戒备森严的情况下进行的。

lax security at airline check-in desks

登机手续柜台松懈的安全措施

terrorist activity that is a threat to national security

威胁国家安全的恐怖活动

The prison was ordered to tighten security after a prisoner escaped yesterday.

昨天一名囚犯越狱后，该监狱被勒令加强安全措施。

The Security Commission investigates breaches of security .

安全委员会对违反安全规定的事项进行调查。

We have been asked not to say anything for security reasons .

出于安全考虑，我们被要求守口如瓶。

The security forces opened fire, killing two people.

保安部队开枪打死了两个人。

The thief was caught on a security camera .

小偷被保安摄像机当场拍了下来。

There are strict security checks on everyone entering the Opera House.

每个人进入歌剧院都要接受严格的安全检查。

A large number of homes lack adequate security measures .

许多住宅都未采取足够的安全措施。