On thin ice means in a risky position, where one more mistake will cost you: After missing two deadlines, he knew he was on thin ice with the client. You're on thin ice is close to a final warning. Skate on thin ice means taking a risk knowingly: You're skating on thin ice if you promise a date before checking stock.
When would you say on thin ice?
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be / skate on thin ice; on thin ice with someone
- After missing two deadlines, he knew he was on thin ice with the client.
- You're skating on thin ice if you promise a delivery date before checking stock.
- She was already on thin ice, and another unexplained absence made things worse.
What changed
First versionHe's on a thin ice with the team after that mistake.
RevisionHe's on thin ice with the team after that mistake.
An adjective plus a noun often comes with a, so a thin ice can look natural. But ice is uncountable, like water or snow, and doesn't take a: on thin ice. Drop the a.
On edge means nervous and tense. On thin ice means in a dangerous position, even if you're completely calm. Walk on eggshells means choosing your words very carefully so you don't upset anyone.
Your turn
One more missed deadline could cost him the contract. He is on ___ ice.
Show the answer
thin — Before ice you need the adjective thin. Thinly is an adverb and can't describe ice.
Describe a situation at work or school where one more mistake would have cost a lot. Use on thin ice.
The supplier is on thin ice after sending the wrong materials twice.
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