[] lack of success in doing or achieving sth 失败◆The company's failure to meet sales targets resulted in serious problems. 这家公司未能达到销售目标，导致了严重的问题。◆the failure of the company's marketing strategy 公司营销策略的失败
[] somebody or something that is not successful 失败的人（或事）◆He was a failure as a manager. 他当经理并不称职。◆The project suffered from too many mistakes and failures. 这个项目出现了太多的错误和失败。
[, ]an act of not doing sth, especially sth that you are expected to do 未做；未履行（应做之事）◆Failure to comply with the regulations will result in prosecution. 不遵守各种规章制度将被起诉。
[, ]a situation in which a business has to close because it is not successful 破产；倒闭◆Business failures dropped by 6% last year. 企业破产率去年下降了 6 ％。◆New companies suffer from a high failure rate. 新公司的破产率高。
[, ](about a machine or system) the state of not working correctly or as expected; an occasion when this happens （机器或系统）故障，失灵◆The crash was caused by engine failure. 飞机坠毁的原因是引擎故障。◆a systems/technical failure 系统／技术故障