sister

I have only one sister.

我只有一個姐姐。

I have two sisters.

我有兩個姐姐。

She is two years younger than her sister.

她比她姐姐小兩歲。

I have two brothers and a younger sister.

我有兩個兄弟和一個妹妹。

I bought a birthday present for my sister.

我給姐姐買了一份生日禮物。

She is very patient with her younger sister.

她對她的妹妹非常有耐心。

My sister is pregnant with her first child.

我姐姐懷了她的第一個孩子。

She was jealous of her sister's success.

她嫉妒她姐姐的成功。

By comparison with her sister, she is very tall.

與她姐姐相比，她長得很高。