1. on thin ice - Adverb
2. on thin ice - Phrase
on thin ice
(idiomatic) In a dangerous, hazardous, or delicate situation; at risk.
Ever since he was caught stealing office supplies, he has been on thin ice with his boss.
on thin ice (not comparable)
(idiomatic) dangerously, hazardously, delicately
This is what aesthetics, development and progress depend upon: that we go out on thin ice. Asger Jorn
Hurricane Katrina exposed the harsh reality that we have been skating on thin ice when it comes to this country's energy concentrations on the Gulf Coast. Pete Domenici
Civilisation, the orderly world in which we live, is frail. We are skating on thin ice. There is a fear of a collective disaster. Terrorism, genocide, flu, tsunamis. Zygmunt Bauman
It's a strange world of language in which skating on thin ice can get you into hot water. Franklin P. Jones
On thin ice everybody have the same strength. Icelandic Proverb
A film was made of this race by BBC called "On Thin Ice" with Ben Fogle and James Cracknell. Source: Internet