THE IDIOM COLLECTION LEARN & PRACTISE
On thin ice
Understand the meaning. See it in context. Make it yours.
01 / UNDERSTAND
Meaning in plain English
In a risky or dangerous situation
Usage note: keep in mind
On thin ice describes a risky or precarious position, often because someone's behaviour is close to causing trouble. It is frequently a warning. Use be on thin ice or be skating on thin ice. The risk may be social or professional rather than physical.
02 / SEE IT IN CONTEXT
The expression in a sentence
- He’s on thin ice after missing three deadlines.
03 / CHECK YOUR UNDERSTANDING
Quick idiom quiz
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Can you recall the expression?
Complete the example using the expression from this lesson.
He’s ________ after missing three deadlines.
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On thin ice — In a risky or dangerous situation
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Make it yours
Write one sentence using “On thin ice” about your own life.
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Does your sentence match this meaning?
In a risky or dangerous situation
Compare: He’s on thin ice after missing three deadlines.
Check the spelling and how the expression fits the sentence. Your example can be different.
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More ways to understand and use it
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More examples in context
- After missing two deadlines, I knew I was on thin ice with the project leader.
- You're on thin ice if you keep borrowing the shared equipment without asking.
Check your understanding
Does the phrase usually suggest a secure position or one where another mistake could cause trouble?
Check your answer
A precarious position. The person may still have an opportunity to improve, but further mistakes could have consequences.
Use it in your own words
Write one new situation where on thin ice fits. Explain the situation in plain English first, then rewrite it using the expression. Check that the tone and meaning suit your audience.