Don't tamper with the engine or it will break down.

别瞎摆弄引擎，会把它弄坏的。

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A, break down an assorting: the engine control circuit breaks down, engine per se fault, other outside fault.

发动机控制电路故障，发动机自身故障，其它外部故障。

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The Anglo-French company rushed to fix the problem it said caused several of its trains to break down: powdery snow that seeped through protective filters and triggered a major engine malfunction.

这家英法合资公司一直在抓紧时间解决问题。公司说，导致几辆列车瘫痪的原因是：粉状降雪渗透到保护过滤器中，引发引擎出现了严重故障。

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