fail

• Words fail to convey our grateful feelings .
  我们的感激之情非言语所能表达。
• The prisoners attempted to escape but failed .
  囚犯们企图逃跑，但是失败了。
• A poor contact causes power to fail occasionally .
  接触不良有时会造成断电。
• You are sure to fail if you do it that way .
  你那样做一定失败
• Wave theory fails to fit the facts .
  波动理论与事实完全不符。
• His efforts at solving the problem failed .
  他企图解决这一问题的努力失败了。
• Hitler had failed to quell or conquer britain .
  希特勒未能打败或征服不列颠。
• I had three passes and one fail .
  我考试三门及格一门不及格。
• My legs failed me and i wasn't able to run the last lap .
  最后一圈跑不动了。
• The trustee device generally has failed .
  这个指定理事的计划一般说是失败了。