cool my heels

• vi. 久候(空等；坐冷板凳)

cool my heels的用法和样例：

例句

1. I was early for the appointment, so I had to cool my heels in the outer office.
   我比约定的时间来得早，所以只得在外面的办公室里等着。
2. I had to cool my heels for nearly an hour before the manager would see me.
   在经理见我之前，我只得久等了将近一个小时。