The engine trouble was laid to faulty inspection.

发动机的故障被认为是检查不严的结果。

youdao

In this paper, the author analyzes the causes of common trouble of ignition system in petrol engine and puts forward some ways to find the engine trouble.

分析汽油发动机点火系统常见故障的原因，并提出与查找判断的一些方法。

youdao

The crash happened seconds after the pilot reported engine trouble.

飞行员报告发动机有故障后几秒钟飞机就坠毁了。

《牛津词典》

But he says small businesses are the engine of job growth in America, and they are still having trouble getting loans.

VOA: standard.2009.10.21

But New Delhi insists the jet developed engine trouble and did not leave Indian-administered Kashmir, where a military campaign against Muslim militants is underway.

CNN: NEWSMAKERS

The 1957 Bonanza H35 took off from Fort Pierce, Florida, and was on its way to Knoxville when the pilot reported engine trouble, officials said.

CNN: Florida plane crash survivor: 'God is good'

This time it was six long hours before a second flash corrected the first with the news that it was engine trouble and not a midair explosion that had forced Lindbergh to make an emergency landing on treacherous terrain in the mountains of western Pennsylvania.

NPR: Roth Rewrites History with a 'Plot Against America'