Definition
To drive a vehicle at a high speed, often exceeding the speed limit.
开快车
I have to be careful; my husband always has a heavy foot when he drives.
我必须小心；我丈夫开车时总是速度过快。
Even though he's a good driver, he always has a heavy foot, so I'm a bit hesitant to ride with him.
尽管他是个好司机，但他总是开得很快，所以我有点犹豫要不要和他一起乘车。
"You need to slow down! You have such a heavy foot!" she yelled at him.
「你需要减速！你开车速度太快了！」她对他喊道。