煙消雲散

Smoke, vapour, or mist; tobacco or cigarettes; soot; opium; to be irritated by smoke.

to diminish or subside; to vanish or melt away; to consume or use up; to dissolve; to pass or idle away time

Cloud; a cluster of water droplets suspended in the air; surname; short for Yunnan province; metaphorically means numerous.

To scatter, disperse, break up; to dispel or break up a meeting; loose, powdered; leisurely; fragmented or disordered.