Определение skate on thin ice в Английский Язык Английский Язык словарь
To be (or to place oneself) in a risky, potentially dangerous or delicate situation
If I concur to that I will be skating on thin ice.
Take a chance; risk danger, disapproval or anger. "You'll be skating on thin ice if you ask Dad to increase your allowance again.", "John knew he was skating on thin ice, but he could not resist teasing his sister about her boyfriend."