当我出门时，总把家里的前门锁上。

I always lock the front door of my house when I leave.

youdao

如果前门锁着，就敲后门试试。

If the front door is locked, try knocking at the back door.

youdao

有人在用门锁钥匙开前门。

Someone was opening the front door with a latchkey.

youdao

有人在用门锁钥匙开前门。

Someone was opening the front door with a latchkey.

youdao