姐姐的英语表达是：elder sister，音标：英 [ˈeldə(r) ˈsɪstə(r)]美 [ˈeldər ˈsɪstər] 。如果表示堂姐或者表姐，统一用cousin表示，音标：英 [ˈkʌzn]美 [ˈkʌzn]。
She made liberal use of her elder sister's make-up and clothes.
The person you saw yesterday was not her, but her elder sister.
My little grandson is no trouble at all, but his 6-year-old elder sister is rude and selfish.
Clare's close resemblance to his elder sister invoked a deep dislike in him.
She used to play games of make-believe with her elder sister.
So it was Xiao Wang's elder sister who called just now.
She has an elder sister.
The elder sister is called mary.
My cousin Mark helped me
Whereas West Germans drink wine, their Eastern cousins prefer Schnapps
We are cousins.
The average European kitchen is smaller than its American cousin.
His cousin was about to wed.
George ducked out of his forced marriage to a cousin