The doorkeeper gave the alarm as soon as he saw the smoke.是什么意思？

The doorkeeper gave the alarm as soon as he saw the smoke.

守门人一看见冒烟就发出警报.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

doorkeeper

n. 看门人；

例句
The doorkeeper tipped his hat as we entered.
我们进门时,看门人脫帽向我们致意.

gave

v. 给予，赠送( give的过去式 )，（与名词连用描述某一动作，意义与该名词相应的动词相同），供给，交给；

例句
He gave a detailed account of what happened on the fateful night...
他详细描述了那个灾难性夜晚所发生的事。

alarm

n. 惊恐，警报，闹铃，动员令；vt. 使惊恐，警告，给（门等）安装警报器；

例句
The news was greeted with alarm by MPs...
得知这个消息，议员们忧心忡忡。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

soon

adv. 立刻，马上，一会儿，不久，快，宁愿；

例句
The minister advised him to leave as soon as possible...
部长建议他尽快离开。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

saw

n. 锯，谚语，格言；vt.& vi. 往复移动，锯成，用锯，拉锯；v. 看见（ see的过去式），观看，领会，考虑；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

smoke

n. 烟，吸烟；vi. 冒烟，抽烟，快速；vt. 用烟熏制，吸（烟），抽；

例句
People's cigarette smoke seemed to hang in the air.
人们吸烟的烟雾似乎会长时间滞留在空气中。