英语语法：call on call at call up“拜访”方式不同

1.You can call onhim in his office or call at his house or call him up.你可以到办公室里拜访他，也可以到他家里去，还可以打电话给他。

说明：

call on somebody 是“拜访某人”，再如：

In case of difficulty, just call on me.

如有困难，找我好了。

call at some place是“到某地拜访”，再如：

Do you think we should call at Bobs while we are in london?

你认为我们在伦敦应该去鲍勃家去看望他吗？

call up 是“给……打电话”，再如：

He called up the museum.

他给博物馆打了电话。