敲門的用法和樣例：
例句
-
請7點鐘敲門把我叫醒行嗎？
Would you please knock me up at 7 o'clock? -
她徑直走到門口重重地敲門。
She went straight up to the door and knocked loudly. -
進屋前先敲門。
Don't enter without knocking. -
誰在敲門？
Who is knocking at the door? -
有人在敲門。
Someone is knocking at the door. -
你聽到敲門聲了嗎？
Did you hear the knocks at the door? -
有人在猛烈地敲門。
There was a furious knock at the door. -
進來前請先敲門。
Please do not enter before knocking on the door.
