He had an idea 想到一个主意

The speaker found some people leaving the building during the meeting.

He was annoyed. Then he had an idea. When someone else started out, the called out to the man:" Wait a minute, I’ll go with you to see what is on the outside, It must be more interesting than what is going on here."

会议上发言人发现有人离开会场。

他感到很恼火，就想出了一个主意。当有人离开时，他大声叫住那个人说：“等一下，我要和你一起去看看外面有什么活动，那一定比这里的更有意思。”