be skating on thin ice

To be doing something very risky or dangerous that could result in imminent disaster or ruin. I hope you realize that you'll be skating on thin ice if you decide to gamble your employees' retirement funds on such a dodgy investment.

Common Names:

Name	Pronounced	Usage
Thyrza	-	Dutch
RubÉN	roo-BEN	Spanish
Constantin	kon-stahn-TEEN (Romanian), kawn-stawn-TEN (French)	Romanian, French
Gearalt	-	Irish
Soili	-	Finnish
Carin	-	Swedish