煙幕

smokescreen / fig. a diversion

cigarette or pipe tobacco / CL:根[gen1] / smoke / mist / vapour / CL:縷|缕[lü3] / tobacco plant / (of the eyes) to be irritated by smoke

curtain or screen / canopy or tent / headquarters of a general / act (of a play)

old variant of 幕[mu4] / curtain / screen

smoke bomb

to spread a smokescreen