come on与come over的区别是什么

come on与come over的区别是什么？

二者没有什么共同点啊：

come on

1. 跟着来

You'd better go now, and I'll come on later.

你最好现在就去,我随后就来。

2. 进展

How are things coming on？

情况怎么样?

3. 逐渐开始

Night is coming on.

夜幕徐徐降临。

4. 上演

This play is coming on again next month.

这出戏下月又要上演了。

come over

1. 从远方(或克服障碍后)过来

They came over from the South to see me.

他们从南方远道来看我。

2. 顺便来访

Come over any time; I'm always in.

请随便什么时候来坐坐,我总在家。

3. 抓住

A fit of dizziness came over me.

我忽然感到一阵头晕。