1. The teacher said I should shape up or go join the army.
   老师说我必须振奋起来否则去从军。
2. You’d better shape up if you want to stay on.
   如果你还想留下来的话最好乖一点儿。
3. A huge shape loomed up through the fog.
   一个巨大的影像在雾中隐约出现。
4. Either shape up or ship out.
   如果不好好干就请你走人
5. Mark didn't shape up until he was thirty years old.
   马克到三十岁时才振奋起来。

　1个动词解释