“追到車子的狗”是什么意思？

The dog that caught the car refers to a person who has reached his goal but doesn’t know what to do next.

“追到車子的狗”指的是達到目標卻不知道下一步怎么做的人。

例句：

They won the election. However, they are like the dog that caught the car. We are concerned what they will do next.

他們贏得了大選，可是對下一步卻很茫然。我們很關心他們下一步會做什么。