Question

be good to的基本意思是什么啊？

Answer 1

be good to意为 对……好、对…很友好。 例如：

It would be good to have a pencil and paper handy.
最好在手边准备好纸和笔。

My friend was good to me when I was ill.

我生病时我的朋友对我关怀备至。

be good for意为 对……有好处、有效、值得。例如：

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。

Eating more vegetables is good for your health.

多吃蔬菜对你的健康有好处。