The house was unoccupied at the time of the explosion.爆炸发生的时候房子里没有人。

The fire broke out in two unoccupied cabins.两间空置的棚屋里发生了火灾。

Turning off lights in unoccupied rooms is a good habit to get into.房间没人时随手关灯, 是个需要养成的好习惯。

It became harder to find an unoccupied table in the canteen.在食堂找张空桌子变得更难了。