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
ŽElimir	-	Croatian, Serbian
Judd	JUD (English)	English, Medieval English
Meritxell	mu-ree-CHEL	Catalan
CaolÁN	-	Irish
Dodge	[dɔdʒ]
Petras	-	Lithuanian