"And when the man knocked on the door the second time, what did he say?"

The man was strong and could have knocked all three of them down easily.

But right at that time, a young Japanese man in his late-20s knocked on the door.

He ran over the people the big white man had knocked down.

My old man would knock the hell out of me.

But five minutes before the scheduled meeting, the police said, the man returned and knocked.

One morning a young man knocked at the open door and introduced himself.

A few years ago, a young man knocked on their door, holding an electric sign.

The man knocked at the side door of the building.

Grace was lost in thought when the man knocked on the car window.