照顾年幼的孩子可能非常累人。

Looking after ___small children can be very tiring.

我和我的妻子以及我两岁的小女儿住在一起。

I live with my wife and my ___small daughter who is 2 years old.

她有一个只有五岁的小弟弟。

She has a ___small brother who is only 5 years old.