to stop burning or to stop shining; to be extinguished or to die out

To extinguish the lights or put out a lamp; often used to indicate it is time to sleep.

to extinguish a fire or lamp; to go out (of a fire or light)

to blow out a flame or candle

to pinch or twist a small flame with the fingers to put it out; to stub out a cigarette

(slang) beyond stupid; used to describe someone or something so dumb it makes one unable to breathe; pun on [[窒息|窒息|zhi4 xi1]]

to turn off the screen; to go blank, usually referring to a device display