n.临时的工人的挑选;
例句:
Shape up or ship out!
好好干,否则就卷铺盖走人.
You'd better shape up if you want to stay on.
如果你想要其持久的话,最好顺其发展.
Lisa is trying to shape up for the swimsuIt'season.
莉莎正在努力为穿泳装的季节而锻练体形.