一下yīxià
(～ㄦ{yīxiàr})
1.用在动词后面,表示做一次或试着做{[used after a verb to indicate one action or one try]}:看～ㄦ{have a look}|打听～{make some inquiries}|研究～。{think it over; mull it over}
2.表示短暂的时间{in a short while; all at once; all of a sudden}:灯～ㄦ又亮了{After a little while the lights went on again.}|这天气,～冷,～热。{Look at this weather. It's cold one moment and hot the next.}
‖也说also一下子{yīxià·zi}。