give sb a call: 给某人打电话
Well, umm, why don’t you give him a call?
那么，嗯... 不如你打个电话给他？

pick up: 拾起，捡起,停下来把…带走
He picked up his hat and went away.
他拾起帽子，走了。
Will you please pick up my parcel at the post office as you pass by?
请你路过邮局时把我的包裹带回来好吗?

leave sb. a message: 给...留口信
I’m not at home now. Please leave a message after the beep.
我现在不在家，请在哔的一声之后开始留言。