[duì yú]
（引進對象或事物的關系者） to; for; about; with regard to; towards; on
Their views on this problem are identical.
大家對于這個問題的看法是一致的。
We should make a concrete analysis of each specific question.
對于每個具體問題要進行具體分析。
Such conduct is undignified for a person of his position.
對于他這種地位的人來說，這樣的行為是不莊重的。
A walk of ten miles was nothing to him.
走10英里路對于他來說算不了什么。