She is often mistaken for her twin sister.

常被人当作是孪生姐妹。

You must work hard to emulate your sister.

你必须努力工作, 赶上你姐姐。

He left his Montana ranch to his spinster sister.

他把他在蒙大拿州大牧了他未婚妹妹。

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

保护我妹妹是我最重要责任。

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

父母对和妹妹有着很高期望。

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

额头上这个小斑点是与其双胞胎妹妹。

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

你拉你小妹妹头发真是顽皮。

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

我一个朋友我和他女朋友妹妹安排了相识约会。

She was a sister to him.

对他来说, 像姐妹一样。

I was in charge of my sister.

我在照看我妹妹。

The twin sisters have a happy disposition.

这一对孪生姐妹有一种乐天性格。

French is a sister language of Spanish.

法语是西班牙语姐妹语。

I believe my sister to be honest.

我认为我姐姐是诚实。

My sister always makes much ado about nothing.

我妹妹老是无事自扰。

There is great rivalry between the two sisters.

这两姐妹间有一激烈竞争。

She has a great attachment to her sister.

十分依恋姐姐。

Mary is the most articulate of the sisters.

玛丽是姐妹中最会说话。

I have two brothers, but not any sisters.

我有两个兄弟, 可没姐妹。

She was chosen in preference to her sister.

被选中了，而不是妹妹。

She was envious of her sister's beauty.

妒嫉妹妹美貌。