walk on thin ice
1. To act or proceed with great care, caution, and consideration so as not to upset someone or trigger some imminent disaster. The littlest thing tends to anger my mother, so I feel like I have to walk on thin ice whenever I'm at her house. I suggest walking on thin ice if you plan to go after those lobbyists—they have the power and influence to do some serious damage to your career.
2. To do something very risky or dangerous that could result in imminent repercussions or disaster. Tim flaunts the way he walks on thin ice with his risky investments, but one of these days he's going to end up losing it all. You're walking on thin ice by continuing to come in late like that. If the boss notices, you'll be fired for sure.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.