大姐英语怎么写

older sisterbigger sister elder sister

sister

eldest sister大姐，elder sister二姐，youngest sister三姐。she is my eldest sister，she is my second-eldest sister，third-eldest 。一般外国没这种说法，好像。

大姐：the eldest sister二姐： the second-elder sister三姐： the third- elder sister注意不能用 younger ，那是指妹妹。

是eldest sister，不过写sister也是可以的啦