theirn

例句：

1. 1.I'm sorry to hear that you lost your car keys.
   听到你丢了汽车钥匙我很难过。
2. 2.The thief took all of his money and his valuables.
   那个小偷拿走了他所有的钱和贵重物品。
3. 3. They have a lot of theirn here in the city.
   他们在城里有很多财产。