Translation of "John's" in Chinese

I was surprised at John's death.

我很驚訝約翰死了。

Tom and Mary aren't John's real parents.

汤姆和玛丽不是约翰的亲父母。

Do you know John's father died of a heart attack?

你知道约翰的父亲死于心肌梗塞吗？

Tom asked Mary if she knew John's new telephone number.

湯姆問瑪麗是否知道瓊的新電話號碼。

Between you and me, John's idea doesn't appeal to me very much.

约翰的主意我不太喜欢，这个我们知道就好。

Tom was the last person Mary expected to see at John's party.

玛丽没料到会在约翰的聚会上见到汤姆。

John's mother looks so young that she is often mistaken for his elder sister.

約翰的母親看起來很年輕，別人不細看倒以為她是約翰的姐姐。

- John is senior to me by two years.
- John's two years older than me.
- John is two years older than me.
- John is two years older than I am.

John比我大两岁。