Kids derive important lessons from the chance to make things up as they go.

如果有机会顺其自然的话，孩子们会从中获得重要的经验教训。

Kids derive important lessons from the chance to make things up as they go, he said.

他说，孩子们可以从自己动手的机会中获得重要的经验教训。

It will only louse things up or make things worse.

它只会虱子的东西，或令事情恶化。