to reinvent the wheel
reinvent
ri:ɪnvɛnt
riinvent
the
ðə
dhē
wheel
wi:l
vil

Definición y significado de "reinvent the wheel"en inglés

to reinvent the wheel
01

*waste a great deal of time or effort in creating something that already exists 

Ejemplos
He spoke with the fervour of discovery, unaware that he was reinventing the wheel. 
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