Is your sister older or younger than you?

　　你的姐妹比你大還是��？

　　She doesn't play as well as her sister.

　　她演奏得不如她姐姐。

　　My sister and I used to quarrel all the time.

　　我和妹妹過去老是吵架。

　　My sister came along just to give me some moral support.

　　我姐姐只是過來(lái)給我一些道義上的支持。

　　She's never really got on with her sister.

　　她從未與妹妹真正和睦相處過。