大姐的英文：
eldest sister

参考例句：

The eldest girl's old clothes can be made down for her sisters.
大姐的旧衣服可以改小一点给她的妹妹们穿。

Some veteran comrades, such as Peng Zhen, our older sister Deng, Marshal Xu and Marshal Nie, have retired completely.
有些老同志，彭真、邓大姐、徐帅、聂帅，已经全退了。

eldest是什么意思：
a. 最年长的;年事最高的

Tom is the eldest of the family.
汤姆是子女中最大的一个。

The house and estate are entailed on the eldest daughter.
这所房子和地产限定由长女继承.

The house and estate be entail on the eldest daughter
这所房子和地产限定由长女继承

The house and estate will be entailed on the eldest daughter.
这所房子和地产限定由长女继承。

The castle and the land are entailed on the eldest son.
这城堡和土地限定长子继承。

sister是什么意思：
n. 姐妹；修女；护士
v. 姐妹般对待
adj. 姐妹般的；同类型的

The elder sister is called Mary.
姐姐名叫玛丽。

It is unnatural for sisters to be at variance.
姐妹之间不和是不近人情的。

The girl in red is his younger sister.
那个穿红衣服的女孩是他妹妹。

Zeal without knowledge is the sister of folly.
没有知识的热心等于愚蠢。

His kid sister clerks in a store
他妹妹在商店当店员。