set on edge

• 立着放； 弄锐利

set on edge的用法和样例：

例句

1. She crossed her hands on her lap.
   她两手叉着放在腿上。
2. She goes to the bar counter and comes back with the drinks on a tray.
   他朝着吧台走去，又托着放着酒的托盘回来。