I have a sister. Her name is Angel.

我的小妹妹叫叶子，现在才一岁半。

youdao

I have a sister, she is older than me.

我有一个姐妹，她比我大。

youdao

I have a sister. She is two years younger than me.

我有一个妹妹，她比我小两岁。

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

He left when I was two years old, and even though my sister and I were lucky enough to have a wonderful mother and caring grandparents to raise us, I felt his absence.

WHITEHOUSE: Weekly Address: Celebrating Fathers

I've spoken with my play sister more in the last week than I have in a year.

NPR: A Call to Rebuild New Orleans

And while I was lucky to have a wonderful mother and loving grandparents who poured everything they had into me and my sister, I still felt the weight of that absence.

WHITEHOUSE: Promoting Responsible Fatherhood