reinvent the wheel
成語所屬單字reinvent
reinvent the wheel — 慣用語
1. to lose time and energy by making something that has already been made successfu
1.慣用語
釋義
浪費時間做重複的事
to lose time and energy by making something that has already been made successfully, when you could simply use what already exists
例句
The team reinvented the wheel by building a payment system the company already had.
Rather than reinventing the wheel, Élise used the existing software to set up her online courses.