英语中形容词表示对于某人来说的介词问题

for有为了……的意思,而to没有这个意思,这是一个区别.当都是对某人而言,这个意思时,区别在于要特殊记忆固定短语.但是也有一定的规律,比如我们说某个东西或某人对某人是如何的,即我们讲这个东西或这个人所发挥的直接作用时,我们用to：如：be kind to sb.对某人好,right answer to a question 用for,表示对于某人来说如何,比如,be important for you,对你而言是重要的
to与for的区别
For和to这两个介词,意义丰富,用法复杂.这里仅就它们主要用法进行比较.
1.表示各种“目的”
1.What do you study English for?你为什么要学英语?
2.She went to france for holiday.她到法国度假去了.
3.These books are written for pupils.这些书是为学生些的.
4.hope for the best,prepare for the worst.作最好的打算,作最坏的准备.
2． 对于
1．She has a liking for painting.她爱好绘画 .
2．She had a natural gift for teaching.她对教学有天赋/
3． 表示赞成同情,用不用
1.Are you for the idea or against it?你是支持还是反对这个想法?
2.He expresses sympathy for the common people..他表现了对普通老百姓的同情.
3.I felt deeply sorry for my friend who was very ill.
4 表示因为,由于（常有较活译法）
1 Thank you for coming.
2.France is famous for its wines.法国因酒而出名.
5． 当事人对某事的主观看法,对于（某人）,对…来说（多和形容词连用）用介词to,不用for..
He said that money was not important to him.
他说钱对他并不重要.
To her it was rather unusual.
对她来说这是相当不寻常的.
They are cruel to animals.他们对动物很残忍.
6． 和fit,good,bad,useful,suitable 等形容词连用,表示适宜,适合.
Some training will make them fit for the job.
经过一段训练,他们会胜任这项工作的.
Exercises are good for health.
锻炼有益于健康.
Smoking and drinking are bad for health.
抽烟喝酒对健康有害.
You are not suited for the kind of work you are doing.
7.表示不定式逻辑上的主语,可以用在主语、表语、状语、定语中.
1． It would be best for you to write to him.
2． The simple thing is for him to resign at once.
3． There was nowhere else for me to go.
4． He opened a door and stood aside for her to pass.
8.表示前往（某地）去某地,用for不用to
I bought a ticket for Milan.
I start for Shanghai tomorrow.我明天去上海.
The ship is for Liverpool.这艘船是开往利物浦的.
9.表示到达的目的地、终点.用to不用for
The bus will take you to the post office.公共汽车会把你送到邮局去的.
He saw her to the railway station.他把她送到火车站.
10． 作为（意思接近as）for可以与to互换.
I’ll keep it for a souvenir.我将把它留作纪念.
He spoke English so well that I took him for a foreigner.
他英语说的那么好,我还以为他是外国人.
He took her to (or for) wife.他娶她为妻.
11．表示交换
He is willing to work for nothing.
他愿意义务地工作.