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.

Idiom - Keep Your Nose Clean

Keep Your Nose Clean:

If you keep your nose clean, you stay out of trouble by making sure you don't do anything wrong.
Our son Michael is in trouble with the police again. I really wish he'd learn to keep his nose clean.

It's important for sport's stars to keep their noses clean because they make a lot of money for endorsing products, and they could lose this income if they got into trouble with the law.

Persian:از دردسر دوری کردن