do a power of good

Meaning

1. do sb a power of good

   to be very good for sb's physical or mental health

In the movies · 1

• All you have to do is use your power for good instead of evil.Two Weeks Notice2002

From the same entry

• more power to elbow
• the power behind the throne
• the powers that be
• the corridors of power
• sweep to power
• power down
• power up