一下 | yī xià | (used after a verb) give it a go / to do (sth for a bit to give it a try) / one time / once / in a while / all of a sudden / all at once | |
一度 | yī dù | for a time / at one time / one time / once | |
一遍 | yī biàn | one time (all the way through) / once through |