You must work hard to emulate your sister.

你必须努力工作, 赶上你姐姐。

She is often mistaken for her twin sister.

她常被人当作是她的孪生姐妹。

He left his Montana ranch to his spinster sister.

他把他在蒙大拿州的大牧场留给了他未婚的妹妹。

Her parents were intensely ambitious for her and her younger sister.

她的父母对她和她妹妹有着很高的期望。

The duty to protect my sister is prior to all others.

保护我的妹妹是我最重要的责任。

The small mote on her forehead distinguishes her from her twin sister.

她额头上的这个小斑点是她与其双胞胎妹妹的区别。

It is naughty of you to pull your baby sister's hair.

你拉你小妹妹的头发真是顽皮。

A friend of mine set up a blind date for me with his girlfriend’s sister.

我的一个朋友给我和他女朋友的妹妹安排了相识约会。

She was a sister to him.

对他来说, 她像姐妹一样。

The twin sisters have a happy disposition.

这一对孪生姐妹有一种乐天的性格。

French is a sister language of Spanish.

法语是西班牙语的姐妹语。

I believe my sister to be honest.

我认为我姐姐是诚实的。

I was in charge of my sister.

我在照看我妹妹。

My sister always makes much ado about nothing.

我的妹妹老是无事自扰。

Mary is the most articulate of the sisters.

玛丽是姐妹中最会说话的。

She has a great attachment to her sister.

她十分依恋她的姐姐。

She was envious of her sister's beauty.

她妒嫉妹妹的美貌。

The two sisters had received very different nurture.

这俩个姊妹接受过极不同 的教育。

Either Tom is coming or his sisters are.

不是汤姆就是她的姐妹们要来。

She was chosen in preference to her sister.

她被选中了，而不是她妹妹。