good luck for you 与 good luck to you 有何区别?

good luck to you是祝你幸运的意思，而good luck for you是对于你来说很幸运了的意思。to 表示目的对象 for表示为了某人做某事,有为了的意思。

for有很多种用法： 

1. 表示“当作、作为”。如: 

I like some bread and milk for breakfast. 我喜欢把面包和牛奶作为早餐。 

What will we have for supper? 我们晚餐吃什么? 

2. 表示理由或原因,意为“因为、由于”。如: 

Thank you for helping me with my English. 谢谢你帮我学习英语。 

Thank you for your last letter. 谢谢你上次的来信。 

Thank you for teaching us so well. 感谢你如此尽心地教我们。 

3. 表示动作的对象或接受者,意为“给……”、“对…… (而言)”。如: 

Let me pick it up for you. 让我为你捡起来。 

Watching TV too much is bad for your health. 看电视太多有害于你的健康。 

to的用法:

1.表示相对，针对 

be strange (common, new, familiar, peculiar, distinct, sensitive, immune, vulnerable, indispensable) to 

Air is indispensable to life. 

Aircrafts are vulnerable to interference caused by radiation. 

This injection will make you immune to infection. 

2.表示对比，比较 

1.以-ior结尾的形容词，后接介词to表示比较，如：superior ,inferior,prior,senior,junior 

The quarrel happened prior to my arrival. 

2. 一些本身就含有比较或比拟意思的形容词，如equal，similar，equivalent，analogous 

A is similar to B in many ways. 

3.表示一些先后顺序的形容词，如：second,subsequent,next,preliminary,preparatory 

Subsequent to the war,they returned to their hometown.