第一，迷你对话

A: Hurry up, or you'll be late again.

快点，不然你又迟到了。

B: I'm coming.

来了。

A: You can't keep them cooling their heels each time.

你不能每次让我们这样空等啊。

B: Don't worry, I won't this time.

放心，这次不会了。

第二，地道表达

cool one's heels

1. 解词释义

Cool one's heels的意思是：让某人久等，让某人空等。

2. 拓展范例

e.g. 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。

e.g. 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。

e.g. Let him cool his heels in the outer office, that will teach him to be more polite.

让他在外间办公室等候着，那将可教训他以后客气点。

e.g. The manager let the job applicants cool their heels in the outer office.

经理让求职的人在外面那间办公室等了很久。

第三，短语积累

keep someone doing something：让某人做某事

e.g. I keep my son doing homework every evening.

我要我的儿子每天晚上写家庭作业。