第1个回答 2013-03-19
for sb. --> 为某人,对某人来说
比如:
do sth. for sb. 为某人做某事
It's for sb. 这是为某人而准备的;这是给某人的
It's too difficult for sb. to do sth. 对某人来说做某事很难
to sb. -> 常用于固定搭配
比如:
give sth. to sb. 给某人某物
It's up to you. 这取决于你。
with sb. -> 和某人一起
My heart is with you. 我的心和你在一起。
play with little friends 和小朋友一起玩
go out with mum 和妈妈一起出去本回答被提问者采纳