Meaning: If someone has no idea of the answer to a question, they can ask 'How long is a piece of string?' as a way of indicating their ignorance.
- Category: General
Idioms similar to 'How long is a piece of string'
- Give someone a piece of your mind
- In the long run
- A long row to hoe
- It's as broad as it is long
- The long and short
- By a long chalk
- Draw a long bow
- Cast a long shadow
- Cut a long story short
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