Translation of "alerting" into Chinese

I am therefore asking that we all become alert to the next generation of threat.

因此,我要求大家都警惕今后产生的威胁。

We must invest in preventive diplomacy and in the strengthening of rapid alert mechanisms.

我们必须大力开展预防性外交工作并加强快速警戒机制。

The tsunami alert was cancelled.

海啸的警报解除了。