具体用法如下:
一、be good for (对…有益,对…有好处)与 be bad for (对…有害)是一对反义词。
例句:
be good for health 有益于健康
例句:
Eating more vegetables is good for your health. 蔬菜对你的健康有好处。
Smoking is bad for your health. 吸烟对你的健康有害处。
二、be good with的意思是善于应付…的,对…有办法。后接人或者是具体的事物,相当于 get along with
例句:
Mary is good with old people.玛丽和老人们相处的很好。
The new teacher is good with the children.新来的老师能和孩子们打成一片。
三、be good to 当后面接sb时,意思是对……友好,相当于be kind to 或 be friendly to。当后面接动词时, be good to do表示做某事是对的。
be good to sb 对某人有好处,对某人态度友善。
be good to do 做某事是对的。
例句:
My dad always says that we should be good to others.
我爸爸总是说我们应该对别人友好。
四、be good at的意思是某人擅长…,某人精通….(可以跟do well in,be strong in进行替换)后接技能、学科。短语中at是介词,后面接动词要用ing的形式。
例句:
I am good at English, but Mary is good at maths.我擅长英语,但是玛丽擅长数学。