They warned him to stay away.是什么意思？

They warned him to stay away.

他们警告他不要靠近。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

warned

v. 警告( warn的过去式和过去分词 )，提醒，告诫，预先通知；

例句
Their instincts warned them something was amiss...
他们直觉上感到有什么地方不对劲儿。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

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。

stay

vt.& vi. 停留，停止，坚持，抑制；vi. 继续处于某种状态；n. 逗留，延期，倚靠，忍耐；

例句
If they want to stay and fight, then I guess that's their affair.
如果他们想留下来打架，我想那是他们自己的事。

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。