顷刻qǐngkè极短的时间{(in) a split second; transience; (in) a short while; (in) a brace of shakes; (in) half a shake; (in) two shakes; (in) two shakes of a lamb's tail; instantly; in an instant; in no time}: 一阵狂风吹来,江面上～间掀起了巨浪。{A gale blew in, and instantly the surging river swelled up.}