be on thin ice

be (skating/walking) on thin ice

to be taking a big risk They knew that by publishing the article they were skating on thin ice.

Name	Pronounced	Usage
Marla	MAHR-lə	English
Kiri	-	Maori
Lind	[lind]
Rebekka	re-BE-kah (German), RE-bek-kah (Finnish)	German, Dutch, Danish, Norwegian, Icelandic, Faroese, Finnish, Biblical Greek
Tricia	TRISH-ə	English
Gavino	gah-VEE-no	Italian