trial-and-error

常见例句

The only way Jim could solve the algebra problem was by the method of trial and error.
要解決這道代數題，吉姆唯一能做的就是不怕失敗，反複嘗試。
I lost the instruction book and so I had to find out how to use the machine by trial and error.
我把說明書丟失了，結果衹得通過不斷摸索才弄懂怎樣使用這部機器。
He learned technical skills by trial and error.
他通過不斷摸索掌握技能。
I finally found the right key after lots of trial and error.
經過反複試騐，我終於找到了正確的方法。