1. The engine was derailed.
    车头出轨了。

1. 出轨：3. ver [超出] exceed | 出轨 : derail | 4. ver [给] give out

2. 911查询·英语单词

2. 脱轨：defendant 被告 | derail 脱轨 | devastating 破坏性的

3. 使(火车)脱轨：dethrone 使離王位 | derail 使(火車)脫軌 | de- 向下、降低、減少

4. 脱轨器：der. 引出 | derail 脱轨器 | deranged drainage 紊乱水系

1. 阻挠;使离开正常进程
    To derail something such as a plan or a series of negotiations means to prevent it from continuing as planned.

derail的近义词

    e.g. The present wave of political killings is the work of people trying to derail peace talks.
           当前的这一系列政治谋杀乃是那些想阻挠和平谈判的人所为。

2. (使)(火车)出轨;（使）脱轨
    If a train is derailed or if it derails, it comes off the track on which it is running.

    e.g. Several people were injured today when a train was derailed...
           今天有数人在一列火车出轨时受了伤。
    e.g. No-one knows why the train derailed.
           没人知道火车为什么会脱轨。

1. run off or leave the rails

    e.g. the train derailed because a cow was standing on the tracks

    Synonym: jump

2. cause to run off the tracks

    e.g. they had planned to derail the trains that carried atomic waste