reinvent

reinvent the wheel

To do something again, from the beginning, especially in a needless or inefficient effort

重做：从头开始重新做某事，特别是不需要的或无效率的努力

“School districts need not reinvent the wheel every time they try to improve their schools”(&b{Washington Post})

“每次试图改善学校状况时学校区用不着每次都从头重新做”(&b{华盛顿邮报})

To recast something familiar or old into a different form

改头换面：把相同的或旧的东西重新以另外的形式表现出来

“Call it reinventing the wheel or recasting old ideas, but these contemporary versions have a spirit and style all their own”(&b{New York Times})

“称它是重新从头做也好，重新表达老主意也好，但是这些当代的版本有它们自己的精神和风格”(&b{纽约时报})