Soon an official appeared to warn them away.是什么意思？

Soon an official appeared to warn them away.

很快一位官员出来劝告他们离开。

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。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；

例句
He started eating an apple...
他开始吃苹果。

official

n. 行政官员，公务员，[体]裁判，高级职员；adj. 官方的，法定的，公职的，公务的，官气十足，正式的；

例句
The Party was certainly not an official adjunct of the police department.
该党派肯定不是公安部门的官方附属机构。

appeared

v. 出现( appear的过去式和过去分词 )，出庭（作证或受审），演出，发表；

例句
All in all, it appeared that a pretty depressing summer awaited Jones.
总之，等待琼斯的似乎是一个相当令人沮丧的夏天。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

warn

vt. 警告，告诫，通知，预告；vi. 发出警告；

例句
Lawrence kept on butting me but the referee did not warn him.
劳伦斯不停地用头撞我，但是裁判并没有警告他。

them

pron. 他们，她们，它们；

例句
I take care of them to the best of my abilities...
我尽我所能地照顾他们。

away

adv. 离开，远离，在远处，消失；adj. 不在的，遥远的，客场比赛；

例句
She accelerated away from the kerb.
她加速驶离了马路牙子。