reinventing the wheel
Definitions
The action of taking the effort to devise a solution to a problem, unaware of the fact that someone else has already devised the same solution to the same problem.
Equivalents
日本語車輪の再発明
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
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