on tenterhooks

• adj. 提心吊担(焦虑不安；如坐针毡)

on tenterhooks的用法和样例：

例句

1. The tightrope walker had us on tenterhooks until her reached the safety of the other side.
   在那位走钢丝者安全到达另一边前，我们都一直提心吊胆。