for
1.就……而言,表示对比.
It's cold for recent year this year.
就近几年说,今年很冷.这是一种对比.
It's important for me to study hard.
对我而言,学习努力很重要.
2.为了某人
make sth.for sb.
为某人制作某物
buy sth.for sb.
为某人买某物
to
以……看来
侧重于主观看法
如:My father has bought me a book,which I think is very helpful to me.
我爸爸为我买了一本书,我认为他对我的帮助很大.
表示 以我看来,加强了I think 所表达的主观性