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
Melqart	-	Near Eastern Mythology
Sharru-Kinu	-	Ancient Near Eastern
Wulfric	-	Anglo-Saxon
Glanville	GLAN-vil	English (Rare)
Absolon	['æbsələn]
Fritz	FRITS	German