在屋内

• within doors
• in doors

例句

1. 他同意买房子，条件是我们要把家具都留在屋内。
   His agreement to buy our house was conditional on us leaving all the furniture in it.
2. 钱是不翼而飞了，而当其时约翰正好在屋内，但[因无足够的证据说是他偷的]我们还是断定他与此无关。
   The money had been stolen and John was in the house at the time, but we give him the benefit of the doubt.