"It's too hot/burning."
Here's the breakdown:
* kakapaso - means "burning" or "hot"
* hin duro - means "too much" or "too many"
* yana - is a pronoun meaning "it"
Therefore, the entire phrase means "it's too hot/burning" and can be used to describe something that is literally hot, like fire or the sun, or figuratively hot, like a situation that is too intense or uncomfortable.