I wanted it to be a surprise, but my sister let the cat out of the bag.

我想给大家来个惊奇，可我妹妹却先说漏了嘴。

《牛津词典》

I want to make my sister a pianist.

我想使我的妹妹成为一个钢琴家。

youdao

Kae, whose sister I shared a room with when we were at college, has gone to work in Australia.

凯去了澳大利亚工作。我上大学时和她姐姐同住一个房间。

youdao

The opposite will be true. I will have a lot of money to buy clothes and my sister will get hand-me-downs from me.

VOA: special.2010.05.09

I married to a Porto Rican sister, who was magnificent.

我和一个波多黎各人结婚了，她很高贵迷人。

普林斯顿公开课 - 人性课程节选

But I'm lucky because my sister's a hairdresser.

但是我很幸运，因为我的姐姐是一名理发师。

做头发是免费的 - SpeakingMax英语口语达人

With two older brothers and a younger sister, I was invisible, in the lower middle of the pack, always a few steps behind, unnoticed.

NEWYORKER: Mr. Bones

Approx. three weeks ago the sister of a guy I know was involved in a horrific traffic accident, broken spine, multiple broken bones, massive internal injuries, commatosed with no observable brain activity.

FORBES: Why Rising Health Care Spending Can Be A Good Thing

You sat out back for a barbecue with your family while my sister and I stood at the sink, washing a wad of urine-soaked hundred dollar bills given to me when I checked you out of the hospital.

FORBES: Dear Dad, With Love