从前，有三个小妹妹。

Once upon a time, there were three little sisters.

我有一个小妹妹。

I have a baby sister.

我的小妹妹们和她们的老师一起念单词。

My little sisters chant words with their teacher.

他教他的小妹妹如何玩跳房子游戏。

He taught his younger sister how to play hopscotch.

他的小妹妹非常乖乖，从不惹麻烦。

His little sister is very well-behaved and never causes trouble.

玩游戏时，我的小妹妹可以是最专横的。

My little sister can be the bossiest when it comes to playing games.

当父母外出时，他经常照看他的小妹妹。

He often babysat his younger sister when their parents were out.

他教他的小妹妹如何随着她最喜欢的歌曲跳舞。

He taught his little sister how to boogie to her favorite song.

下雨天我经常和我的小妹妹在家里玩。

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

我的电视坏了，因为我的小妹妹:她拔掉了电缆。

My tv is broken because of my little sister: she pulled out the cable.