可能看起来不过是每天扣去的三五个小时，但是三十年下来呢？

Sure, it was just a few hours here or there... but over three decades.

三五个小孩子，围成一个圈儿，无拘无束地伸着泥脚丫，一起捏着泥巴。

Children, round into a circle, stretched out freely mud feet, pinch together with mud.

李晓说她所认识的同学只有三五个承认自己是农村人；可能实际上来自农村的要比这更多一些，但是他们耻于说自己是农村人。

Li says that of all the kids she knows at school, just three or five admitted to having rural backgrounds; maybe more came from the country "but they're ashamed to speak about it."