快閃

to depart as quick as a flash / flash mob

rapid / quick / speed / rate / soon / almost / to make haste / clever / sharp (of knives or wits) / forthright / plainspoken / gratified / pleased / pleasant

surname Shan

to dodge / to duck out of the way / to beat it / shaken (by a fall) / to sprain / to pull a muscle / lightning / spark / a flash / to flash (across one's mind) / to leave behind / (Internet slang) (of a display of affection) "dazzlingly" saccharine