| 短语 | reinvent the wheel |
| 释义 | reinvent the wheel informalto waste time trying to find a way to do something when someone else has already discovered the best way to do it无谓地重复，徒劳，白费功夫〔因别人早已发现做某事的最好方法〕 reinvent the wheel waste a great deal of time or effort in creating something that already exists 重新发明轮子（喻浪费时间和精力）。 reinvent the wheelto waste time creating sth that already exists and works well重复发明；无谓地重复；浪费时间做无用功 |
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