Come hell or high water means that someone is determined to do something no matter what happens. It shows strong determination and the idea that nothing will stop a person from reaching their goal.
The words suggest that even a fire or a flood would not stop someone from reaching their goals, and is used to describe situations where people keep going even when things become very hard.
The words suggest that even a fire or a flood would not stop someone from reaching their goals, and is used to describe situations where people keep going even when things become very hard.
She said she would finish the marathon come hell or high water.