She bears a striking resemblance to her older sister.

她酷似她姐姐。

《牛津词典》

She is no less nerdy than her older sister.

她是个不输给姊姊的御宅族。

youdao

"WE're going for a trip", Sakina remembers her older sister saying.

“我们旅行去”，斯凯娜记得姐姐这样对她说。

youdao

For example, "Outside Over There" is about a baby who is kidnapped by goblin creatures while her older sister is not paying attention.

VOA: special.2009.10.05

Her older sister, Rosemary Kennedy, was born mentally retarded.

VOA: special.2009.08.23

Her only hope is a baby sister who was genetically engineered to help save the older girl's life.

VOA: special.2009.06.12

She says her older sister and other relatives are balking at her Oxfam registry.

WSJ: For Brides and Grooms Who Have Everything, Something to Ease the Conscience

Five years later Zoe and her older sister, Maxine, lost their mother when she relapsed.

FORBES: Two Girls Two Countries One Cancer

Single mother Pia, "the pretty one, " feels threatened by her older sister's settled home life.

WSJ: Lucinda Rosenfeld, Author of The Pretty One, on Sisters | Word Craft