reinvent the wheel

From Longman Dictionary of Contemporary Englishreinvent the wheelreinvent the wheelinformalWASTE something to waste time trying to find a way to do something when someone else has already discovered the best way to do it → reinventExamples from the Corpusreinvent the wheel• He had set out to reinvent the wheel; actually he wound up inventing it.• Without mentors we have to reinvent the wheel each new generation.• Learning by discovery doesn't mean reinventing the wheel each time you need to move the wagon.• I mean, why reinvent the wheel if it rolls?

单词	reinvent the wheel
释义	reinvent the wheel From Longman Dictionary of Contemporary Englishreinvent the wheelreinvent the wheelinformalWASTE something to waste time trying to find a way to do something when someone else has already discovered the best way to do it → reinventExamples from the Corpusreinvent the wheel• He had set out to reinvent the wheel; actually he wound up inventing it.• Without mentors we have to reinvent the wheel each new generation.• Learning by discovery doesn't mean reinventing the wheel each time you need to move the wagon.• I mean, why reinvent the wheel if it rolls?
随便看	go go fund go grey go grey etc go grey/white etc go halfway to doing go halves go halves go halves (on something) go halves (with somebody) go halves on go halves with go have a piss go have a wander burn off burn out burn out burn something to a crisp/cinder burn something ↔ away burn something ↔ down burn something ↔ off burn something ↔ out burn something ↔ up burn the candle at both ends burn the midnight oil burn to a cinder