trial and error

劍橋詞典

a way of achieving an aim or solving a problem by trying a number of different methods and learning from the mistakes that you make
反復(fù)試驗(yàn)，試錯(cuò)法
There's no instant way of finding a cure - it's just a process of trial and error . 找到治療方案不可能一蹴而就——這只能是一個(gè)反復(fù)試驗(yàn)的過(guò)程。 返回 trial and error