trial-and-error

常見(jiàn)例句

The only way Jim could solve the algebra problem was by the method of trial and error.
要解決這道代數(shù)題，吉姆唯一能做的就是不怕失敗，反復(fù)嘗試。
I lost the instruction book and so I had to find out how to use the machine by trial and error.
我把說(shuō)明書(shū)丟失了，結(jié)果只得通過(guò)不斷摸索才弄懂怎樣使用這部機(jī)器。
He learned technical skills by trial and error.
他通過(guò)不斷摸索掌握技能。
I finally found the right key after lots of trial and error.
經(jīng)過(guò)反復(fù)試驗(yàn)，我終于找到了正確的方法。