on thin ice

You are **on thin ice** with that behavior.

Idiom Risk and Danger

Meaning

in a risky or dangerous situation

You are on thin ice with that behavior.

having little thickness; not thick; slender

water that has frozen and become solid

a person or thing that becomes successful very quickly

past one's prime; no longer young or at peak performance

to be independent and self-supporting

to have confidence in someone or something

Try to do better or go beyond your limits.

Trust your instincts and go in the direction that feels right.