Your dog's barking at the back door to get in.

你的狗狗在后门不停的吠叫着要进门。

youdao

Please step down at the back door.

请从后门下车。

youdao

Why not try knocking at the back door?

为什么不试着敲敲后门呢？

youdao

At that moment, someone knocked at the back door.

VOA: special.2010.06.12

Can we get the guy way at the back by the door.

坐在后面门边上的小伙子能回答一下吗

耶鲁公开课 - 博弈论课程节选

It was always charging around the gaff, or asleep, beside its mat at the back door.

NEWYORKER: The Dog

And then later, maybe that same year, maybe the next, on November 5th, suddenly at the back door in the blackness with the gift of some penny bangers.

NEWYORKER: Hanwell Senior

She met the patrolmen at the back door.

NEWYORKER: Wakefield