Meanings
To make a lot of effort with all one's resources.
Example: "If you want to join the marines, there's no room for laziness. You really have to dig deep."
Example Sentences
1
In order to conquer your fears, you must dig deep and find your inner strength.
2
When facing adversity, it's important to dig deep and never give up.
3
He had to dig deep into his memory to recall the events of that day.
4
To solve this complex puzzle, you need to dig deep and think outside the box.
5
The writer had to dig deep into his emotions to create such a powerful and moving story.