on edge

中英例句：

1. He is all on edge to have a look at it.
   他急於想看一看那個東西。
2. The mother was all on edge when her son was having a blood test.
   那位母親在兒子接受血檢時，心情十分緊張
3. The lemon juice set his teeth on edge.
   檸檬汁把他的牙齒都酸倒了。
4. She was a bit on edge till she heard he was safe.
   她聽到他安然無恙才放下心來。