trial-and-error

常見例句

• 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.
  我把說明書丟失了，結(jié)果只得通過不斷摸索才弄懂怎樣使用這部機(jī)器。
• He learned technical skills by trial and error.
  他通過不斷摸索掌握技能。
• I finally found the right key after lots of trial and error.
  經(jīng)過反復(fù)試驗(yàn)，我終于找到了正確的方法。
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