THE IDIOM COLLECTION LEARN & PRACTISE
Your guess is as good as mine
Understand the meaning. See it in context. Make it yours.
01 / UNDERSTAND
Meaning in plain English
I don’t know either.
Usage note: keep in mind
Your guess is as good as mine means that the speaker also does not know the answer. It is informal and can sound friendly or slightly unhelpful depending on tone. In a service setting, follow it with an offer to find out rather than leaving the person without help.
02 / SEE IT IN CONTEXT
The expression in a sentence
- When it comes to predicting the weather, your guess is as good as mine.
03 / CHECK YOUR UNDERSTANDING
Quick idiom quiz
Try the question without looking back, then write a sentence of your own. You can retry as often as you like.
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Can you recall the expression?
Complete the example using the expression from this lesson.
When it comes to predicting the weather, ________.
Show the answer
Your guess is as good as mine — I don’t know either.
Try your own sentence (optional)
Make it yours
Write one sentence using “Your guess is as good as mine” about your own life.
Check your sentence
Does your sentence match this meaning?
I don’t know either.
Compare: When it comes to predicting the weather, your guess is as good as mine.
Check the spelling and how the expression fits the sentence. Your example can be different.
Self-review only. Your sentence is not automatically marked, saved or submitted.
This quiz is for practice. To save lesson completion on this device, complete the checks in the app.
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More ways to understand and use it
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More examples in context
- When will the delayed train arrive? Your guess is as good as mine; the display hasn't changed.
- I don't know which room we'll use either. Your guess is as good as mine.
Check your understanding
Does the phrase mean 'I know, but I will not tell you' or 'I do not know either'?
Check your answer
I do not know either. The speaker claims no better information than the person asking, rather than deliberately withholding an answer.
Use it in your own words
Write one new situation where your guess is as good as mine fits. Explain the situation in plain English first, then rewrite it using the expression. Check that the tone and meaning suit your audience.