Question

be good to的区别是什么？

Answer 1

be good to ：对…好，对…很慈善。
be good for ：值得，有效;利于。

例句辨析：
be good to
1、Why can't she be good to her sister?
为什么她不能对她姐姐好点？
2、People are not perfect, so as long as they are genuine and sincere, trust them andbe good to them.
人无完人，只要他们很真诚，就信任他们，对他们友善。

The young should be good to the old.年轻人应该孝顺老人。

be good for
1、They argued all the time and thought it couldn't be good for the baby.
他们一直在争论，认为这对孩子肯定不好。
2、Oh great! That'll be good for Fergus.
哦，太棒了！那将对弗格斯很有利。

Doing morning exercises is good for our health.做早操对我们的健康有益。

参考资料

be good to 和be good for的区别是什么.百度知道[引用时间2017-12-19]