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.

她常被人当作是她孪生姐。

He left his Montana ranch to his spinster sister.

把在蒙大拿州大牧场留未婚。

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

她父母对她和她有着很高期望。

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

保护我是我最重要责任。

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

她额头上这个小斑点是她与其双胞胎区别。

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

你拉你小头发真是顽皮。

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

我一个朋友我和女朋友安排相识约会。

She was a sister to him.

对来说, 她像姐一样。

I was in charge of my sister.

我在照看我。

My little sister is apt at languages.

我小善于学习语言。

The twin sisters have a happy disposition.

这一对孪生姐有一种乐天性格。

French is a sister language of Spanish.

法语是西班牙语姐语。

I believe my sister to be honest.

我认为我姐姐是诚实。

I have two brothers, but not any sisters.

我有两个兄弟, 可没姐。

She has a great attachment to her sister.

她十分依恋她姐姐。

She was chosen in preference to her sister.

她被选中，而不是她。

She was envious of her sister's beauty.

她妒嫉美貌。

My sister always makes much ado about nothing.

我老是无事自扰。

Mary is the most articulate of the sisters.

玛丽是姐中最会说话。