It's no easy to do 和there's no need to do,there's no point doing,It's no good doing上面的词组有什么规则可以记吗不只这四个，还有很多很多同类型的

It's no easy to do 和there's no need to do,there's no point doing,It's no good doing
上面的词组有什么规则可以记吗
不只这四个，还有很多很多同类型的

就这么些东西,多熟悉自然就记住了

熟能生巧

根据核心单词字面理解就可以了，no easy是不容易，no need是没必要，no point是没意义，no good是没好处。

不容易=it's difficult to do ，没必要，后加动词不定式//不重要，不好，后加加动词ing/