power down

Từ điển Oxford Advanced Learner 8th

ˌpower ˈdown | ˌpower sthˈdown derived
to stop a machine, especially a computer, by turning off the electricity supply
•We were told to power down at 9.45.
•Log off or power down your system.
Opp: ↑power something up
related noun ↑power-down
Main entry: ↑power_derived