breach of duty

详细解释:【经】 渎职, 失职

英语解释：

名词 breach of duty:

a breach of due care

例句：

The signalman left his cabin before attending to his signals and so committed a grave breach of duty.信号员没有发完信号就离开了他的小木房，因此犯了严重的玩忽职守的错误。