1 副词 “enough” 的意思包括 “数量充足，足够地，十分”，通常用在积极的语境中谈论好事，尤指某物的特定属性很合适或足以让人满意。

This T-shirt is big enough for me to wear.

There's enough food for everyone to eat. Pleace come in!

2 “Too” 作副词使用时的意思是 “某物或人太...，过于...”，通常用在负面的语境中谈论坏事，尤指某事物有问题或不合适。

This is too short. I can't wear this.

There were too many people at the party.