do sb good 对某人有好处 ; 对某人有益处
do sb a good turn 做一件有利于某人
do sb some good 对有些好处
do good to sb 但愿对你大有好处
do someone a favor , do someone a good turn
It's a good idea (for sb) to do STH.
做某事(对某人而言)是一个好主意。
youdao
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