Whenever Daniel's little sister was asked to do something she always had a naughty reply.

每次让丹尼尔的小妹妹做点事情，她总是有调皮的回应。

《柯林斯英汉双解大词典》

Mom, my little sister is crying all the time.

妈妈，我的小妹妹一直在哭。

youdao

I usually play with my little sister at home on rainy days.

我通常在下雨天和我的小妹妹在家里玩。

youdao

Mr. Reid said: "No longer will we think of the Milky Way as the little sister of the Andromeda Galaxy in our Local Group family."

VOA: special.2009.01.20

And your little sister is pointing at him and laughing hysterically.

你的妹妹指着他哈哈大笑。

Don't 课堂 - SpeakingMax英语口语达人

Your young brother or sister, or my little children, can draw pictures of family members that barely look like family members.

你的弟弟妹妹或者我的小宝贝们,可以画一些看起来,仅仅有点像家庭成员的画

耶鲁公开课 - 死亡课程节选

He left the car to his kid brother, and another one for his little sister.

CNN: A girl, the Internet, and her Pontiac Fiero

But just days after delivery, the baby of her "little sister" died from complications.

CNN: STORY HIGHLIGHTS

My one living daughter is somehow a little sister, a big sister and yet an only child.

NPR: The Human Body's Frailty and Splendor