do somebody a power of good
成語所屬單字power
do somebody a power of good — 慣用語
1. To be very helpful for someone's physical or mental health.
1.慣用語
釋義
對某人極有好處
To be very helpful for someone's physical or mental health.
例句
A week at the beach did Sara a power of good.
That long walk did my father a power of good.