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Meaning of 'A little learning is a dangerous thing'

What does the saying 'A little learning is a dangerous thing' mean?

Idiom: A little learning is a dangerous thing

Meaning:

A small amount of knowledge can cause people to think they are more expert than they really are.

eg. he said he'd done a course on home electrics, but when he tried to mend my table lamp, he fused all the lights! I think a little learning is a dangerous thing

Country: International English | Subject Area: General | Usage Type: Both or All Words Used
All idioms have been editorially reviewed. Submitted idioms may have been edited for correctness and completeness.

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