(stage) lighting; light

lighthouse; CL:座[zuo4]

light bulb; see also 電燈泡|电灯泡[dian4 deng1 pao4]; third-wheel or unwanted third party spoiling a couple's date (slang); CL:個|个[ge4]

lantern

lights

to turn on the light

red light

green light (traffic signal); (fig.) permission to proceed

turn out the lights; lights out

spotlight