I knock on the door.

• 我敲门

I knock on the door.的用法和样例：

例句

1. There was no answer to my knock, so I went away.
   我敲门没人应，所以就走开了。
2. I've been knocking away for ages,but nobody has answered the door.
   我敲门敲了好久，就是没有人答应。