alert

安全警报

A warning about a potential threat to security.

关于潜在安全威胁的警告。

高度戒备

A state of increased watchfulness or readiness.

一种加强了的警惕或准备状态。

红色警报

A warning of the most serious and imminent danger.

关于最严重和最紧迫危险的警告。

全面戒备

The highest level of readiness.

最高级别的准备状态。

炸弹警报

A warning that a bomb may have been placed somewhere.

高度戒备

A state of increased watchfulness or readiness.

一种加强了的准备和警惕状态。

安珀警报

A specific type of child abduction alert.

用于帮助寻找被绑架儿童的公共警报系统。

对…警觉

Aware of and paying attention to something, especially a danger or opportunity.

意识到并注意某事，尤其是危险或机会。

头脑清醒

Being quick to think and understand.

能迅速注意到并理解事物

警报发出

An alert is issued or broadcast.

警报被发布或广播。

警惕…

Watching carefully for someone or something.

仔细观察某人或某事。

使某人处于戒备状态

To put someone in a state of readiness.

使某人进入准备状态。

使某人处于戒备状态

To formally put someone in a state of readiness.

正式使某人进入准备状态。

保持警惕

To be watchful and ready to notice and deal with things.

保持警觉，随时准备注意和处理事情。

保持警觉

To continue to be watchful and ready.

继续保持警觉和准备状态。

保持警惕

To continue to be watchful and ready.

继续保持警觉和准备状态。

发布警报

To formally give out or announce an alert.

正式发出或宣布警报。

触发警报

To cause an alert to be initiated.

导致警报被启动。

鸣响警报

To give a signal to warn of danger.

发出信号以警告危险。

拉响警报

To make people aware of a danger.

让人们意识到危险。

发出警报

To broadcast or announce an alert to the public.

向公众广播或宣布警报。

取消警报

To cancel an alert that was previously issued.

取消先前发布的警报。

触发警报

To cause an alert to be initiated.

导致警报被启动。