to wave (one's hand)

to brandish; to wave sth

to squander money; extravagant; prodigal; free and easy; agile

impossible to get rid of

to wave sth; to brandish

to conduct; to command; to direct; conductor (of an orchestra); CL:個|个[ge4]

to display; to exhibit; to bring out implicit or innate qualities; to express (a thought or moral); to develop (an idea); to elaborate (on a theme)

to give nonsensical instructions; to issue orders out of ignorance

to use the current topic to put over one's own ideas; to use sth as a pretext to make a fuss

improvisation