the river is about to break in the middle of the night.河流将在午夜解冻

be about to:刚要, 即将

The situation was about to boil over.

当时的形势几乎到了紧急关头。

She will be about to write a letter.

她将准备写信。

Sure enough, the town is put on red alert显然,小镇发布红色预警

red alert:应急状态(紧急警报)

When the fortress went on red alert, they sealed off the sewers.

当要塞进入红色警戒状态,他们就会封锁下水道。

Following the bomb blast, local hospitals have been put on red alert.

炸弹爆炸之后，当地医院一直处于戒备状态。

we're all going to be underwater and possibly get trapped here for a few days.我们都会被淹还可能被困上几天

get trapped:被困, 陷于

I don't wanna get trapped in here.

我不想被困在这里。

They got trapped in the fire and were killed.

他们被困在火中烧死了。