Sorry.

对不起。

No, they aren't.

不，不是我的苹果。

Dad, this is Li Lei. Li Lei, this is my father.

爸爸，这是李磊，李磊，这是我爸爸。

Excuse me, Mr. Hu. Can you look after my watch, please?

劳驾，胡老师，你能帮我保管一下我的手表吗？

I have a cat. Its name is Mimi. It's a Chinese cat. Oh, where is it? Can you find it?

我有一只小猫，名字叫Mimi，是一只中国猫。噢，它在哪儿呢？你能找到吗？

I'm mending my bike.

我在修自行车。