1、exactly

精确地;确切地;正好

Each corner had a guard tower, each of which was exactly ten meters in height.

每个角落都有一座警戒塔，每座警戒塔正好10米高。

Agnew's car pulled into the driveway at exactly five o'clock.

阿格纽的车在5点整驶入了车道。

根本不；决不

This was not exactly what I wanted to hear.

这根本不是我想听到的。

Sailing is not exactly cheap.

帆船运动根本就不便宜。

（用于问句中，表示不赞成）到底，具体

What exactly do you mean?

你到底什么意思?

Exactly what are you looking for?

你到底在找什么？

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。