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turn sth off

Phrasal Verb with turn
 
 
/tɜːn/ verb

Definition

to move the switch on a machine, light, etc so that it stops working, or to stop the supply of water, electricity, etc: How do you turn the computer off? She turned off the lights and went to sleep.
(Definition of turn sth off from the Cambridge Learner's Dictionary © Cambridge University Press)

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