be good的用法总结

be good at 意为擅长……，表示擅长于某一学科知识或技能，也可表示在……方面做得好。后接名词、代词或V-ing形式；

be good for意为 “对……有好处、能”；

be good with意为灵巧的；与……相处得好；

be good to意为对……友好。to后一般接表示人的代词或名词。

You need manual dexterity to be good at video games.

玩好电子游戏手要灵巧。

It would be good to have a pencil and paper handy

最好在手边准备好纸和笔。

On balance biotechnology should be good news for developing countries

总的来说，生物技术对发展中国家应该是有利的。

Rain water was once considered to be good for the complexion

雨水曾一度被认为可以滋养皮肤。

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。