My little sister looks happy.

我妹妹看起来很高兴。

youdao

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

"My Sister's Keeper" stars Cameron Diaz and Jason Patric as parents of a little girl who has cancer.

VOA: special.2009.06.12

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

So, when me and my sister little, they just put us in all the classes they could find

所以，当我和妹妹还小的时候，他们让我们去上所有他们能找到的课。

成为演员之路 - SpeakingMax英语口语达人

She's always my little sister so I'm still proud of her even if she takes it from me.

BBC: Williams takes Classic title

It's ten to two in the afternoon and I've been waiting for my little sister, Vivi, since one-thirty.

NPR: Excerpt: 'The Sister'

The tribunal heard that the doctor told the woman that she was "pretty" and said "you remind me of my little sister back home".

BBC: Aberystwyth doctor six-month ban for 'flirting' texts