Skating on thin ice is a common idiomatic expression used to describe a situation where someone is in a risky position or is taking a dangerous chance. This phrase suggests that the individual is testing their luck and is in danger of falling through the thin ice. Some synonyms for this expression include living on the edge, playing with fire, and walking a tightrope. Other similar phrases include pushing one's luck, inviting trouble, and risking everything. Regardless of the wording used, each of these phrases is meant to convey a sense of imminent danger and caution for those who find themselves in such situations.