I asked him not to come.是什么意思？

I asked him not to come.

我请他不要来。

asked

v. 问( ask的过去式和过去分词 )，询问，要求，请求；

例句
The defendant asked for 21 similar offences to be taken into account...
被告要求考虑到类似的21起违法行为的情况。

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。

not

adv. 不，[用以表示否定、否认、拒绝、禁止等]不是，几乎不，未必，没有[用于否定后面的词或短语]；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

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。

come

vi. 来，开始，出现，发生；vt. 做，装扮…的样子，将满（…岁）；int. 嗨！；

例句
I've come looking for a bit of advice.
我特来讨教。