快步流星
to walk quickly; striding quickly
食不厌精,脍不厌细
lit. to eat but finely ground grain and finely chopped meat (idiom, from Analects); fig. to be fastidious about one's food
马无夜草不肥,人无外快不富
a horse cannot get fat without an extra ration, a man cannot get rich without an extra income (idiom)