您要查找的是不是：
- The engine is knocking. 发动机发出敲击的声音。
- The engine is only firing on three cylinders. 这发动机只有三个汽缸工作。
- If the engine is heard to be knocking at any time, it must be slowed down at once. 不论什么时候如果听到发动机有撞击声，都必须立刻降低运转速度。
- The engine is due for an overhaul. 那台发动机该大修了。
- The engine is knocking badly. 引擎的爆击声响得厉害。
- The engine is running smoothly now. 发动机现在运转得很顺畅。
- The engine is misfiring badly on one cylinder. 发动机有一个汽缸严重失灵。
- The needle pulsates when the engine is running. 发动机开动时指针就颤动.
- The engine is external to the boat. 发动机在船舷之外。
- The engine is dirtied, and worn from aging. 这台发动机因为使用年代太久而污损了。
- The engine is a Briggs &Stratton 5hp model. 该引擎是一种布里格斯&斯特拉5 HP模型。
- The engine is only firing on three cylinders . 这发动机只有三个汽缸工作。
- The car is fine as far as the engine is concerned but the bodywork needs a lot of attention. 这辆汽车发动机还不错，但车身需要大修。
- The engine is throbbing quietly. 引擎在轻轻地颤动
- Someone is knocking at the door. 有人在敲门。
- The engineer is capable of handling the problem. 工程师能处理这个问题。
- The engine is now in perfect working order. 发动机现在运转完全正常。
- The engine is very noisy at high speed. 这个发动机转速高时噪音非常大。
- Check to see if the engine is overheating. 查引擎是不是?
- The car engine is knocking. 汽车发动机发出爆震声
