熄灯

熄灯	xī dēng	turn out the lights / lights out
熄	xī	to extinguish / to put out (fire) / to quench / to stop burning / to go out (of fire, lamp etc) / to come to an end / to wither away / to die out / Taiwan pr. [xi2]
灯	dēng	lamp / light / lantern / CL:盏