I have many sweet memories from my childhood.
我對自己的幼時有許多甜蜜的回憶。
We played in the park every day during my childhood.
在我幼時,我們每天都在公園玩耍。
My childhood was happy because my family spent time together.
我的幼時很快樂,因為家人常常一起相處。
He has known her since childhood.
他自幼時就認識她。