1、emergency

紧急事件;意外事件;（尤指）事故

He deals with emergencies promptly.

他迅速处理突发事件。

The hospital will cater only for emergencies.

那家医院只看急诊。

紧急情况下的;应急的

The Prime Minister has called an emergency meeting of parliament.

首相已召集议会召开紧急会议。

She made an emergency appointment.

她挂了急诊。

（设备、供应品等）救急用的，应急的

The plane is carrying emergency supplies for refugees.

那架飞机正在为难民运送应急物资。

They escaped through an emergency exit and called the police.

他们从紧急出口逃脱，并报了警。

2、trigger

(枪的)扳机

A man pointed a gun at them and pulled the trigger.

一名男子拿枪指着他们，接着扣动了扳机。

引爆;启动;触发

The thieves must have deliberately triggered the alarm and hidden inside the house.

盗贼肯定是故意触发了报警器，然后躲在房子里。

The one thousand pound bomb was triggered by a wire.

那颗重达 1,000 磅的炸弹是由一根导线引爆的。

引起;发动;促使

the incident which triggered the outbreak of the First World War.

导致第一次世界大战爆发的事件

The current recession was triggered by a slump in consumer spending

目前的经济衰退是由消费支出骤跌引起的。