its:
pron. 它的Its claws lacerated his thighs.
它的爪子挠伤了他的大腿。
Its skin feels really smooth.
它的皮摸起来真光滑。
I was astounded by its beauty.
我被它的美丽震撼了。
The film has its moments.
这部电影有它走红的时候。
theirs:
pron. 他们的I think she's a relation of theirs.
我想她是他们的亲戚。
It's a favourite game of theirs.
这是他们最喜爱的游戏。
It was a neighbourly gesture of theirs.
这是他们友好的表示。
Theirs are the children with very fair hair.
他们的孩子是那些长着满头金发的。
Our children go to the same school as theirs.
我们的孩子和他们的孩子上同一所学校。