locomotive failure

例句：

1. 1. The train was delayed due to a locomotive failure.
   由于机车故障，火车晚点了。
2. 2. The engineer had to take extra care to avoid any locomotive failures during the journey.
   工程师在旅途中不得不多加小心，以避免任何机车故障。
3. 3. The train service has been affected by several locomotive failures recently.
   最近，几次机车故障影响了火车服务。