to shape up
01
改善, 进步
develop in a positive way
02
准备打架, 摆出威胁的姿势
to gesture, posture, or approach threateningly, often to intimidate or prepare for a fight
Slang
例子
Stop messing around or shape up!
别再胡闹了，要么摆好架势！
He always shapes up when someone talks trash.
当有人挑衅时，他总是摆出战斗姿态。
