Sell somebody/yourself short

Pro Tip 1/3

Positive Reinforcement

Use it to encourage someone to recognize their true worth or abilities.

You ace every project you take on—don't sell yourself short!

Pro Tip 2/3

Self-Confidence

Implies that someone has more ability or positive qualities than they realize.

You speak four languages fluently, so don't sell yourself short during the interview.

Pro Tip 3/3

Motivational Speech

Commonly used in pep talks to inspire better self-esteem.

You've trained hard for this marathon—don't sell yourself short now!