Idiom - As phony as a three-dollar bill

As phony as a three-dollar bill:

Phony, not genuine.

Jack is phony as a three-dollar bill. You can't trust him.

Persian: قلابی، آدم متظاهر، ریاکار

Idiom - A Clean Bill of Health

A Clean Bill of Health:

Said when you examine someone or something and state that they are healthy, in good condition, or legal.

The president was given a clean bill of health by his doctors.

The company received a clean bill of health because it fulfilled all the safety requirements.