try one's best同义词

来源:百度知道 编辑:UC知道 时间:2024/09/28 13:35:42
He tried his best to help us.
He ( ) ( )he could to help us
可以讲下原因么,,

did ,what

did what
下句用了个宾语从句what he could 做did的宾语
也可以说he did his best to help us
to help us 都表示目的状语

He (did) (what)he could to help us.

这句话完整的说是 He did what he could do to help us. 其中what he could do 是一个宾语从句 句中do 可省略.

did what

He did what he could to help us.

spare no efforts to do
比try one's best稍微高级点,意思是不遗余力地做某事