## fixed a time ##

"set a time" or "appointed a time"

## Pharaoh investigated ##

Pharaoh collected facts about the situation.

## behold ##

The word “behold” here shows that Pharaoh was surprised by what he saw.

## his heart was stubborn ##

"he refused to change his mind"; (See: [[rc://en/ta/man/translate/figs-idiom]])