门在后头。
mén zài hòutou.
The door is at the back.
我在房子后头。
wǒ zài fángzi hòutou.
I'm at the back of the house.
我们后头再说。
wǒmen hòutou zài shuō.
We'll talk later.
他后头会来。
tā hòutou huì lái.
He'll come later.
