Question 1

What does "turn over a new leaf" mean?

Accepted Answer

To make a fresh start and change one's behavior for the better.

Question 2

How do you use "turn over a new leaf" in a sentence?

Accepted Answer

After leaving prison, he was determined to turn over a new leaf.

Question 3

Is "turn over a new leaf" formal or informal?

Accepted Answer

"turn over a new leaf" is register-neutral — appropriate in both casual and formal contexts. Implies a positive, deliberate change in habits or lifestyle.