您要查找的是不是：
- operate on four cylinders 工作效率很好,竭尽全力地干,运转正常
- The doctors shall operate on his central nervous system. 医生们将要对他的中枢神经系统动手术。
- Designed to operate on land, water, or in air. 长于陆海空作战的，三栖的可在陆上、水上或空中操作的
- The doctors decided to operate on him for the tumor. 医生们决定为他开刀切除肿瘤。
- Now I should like to speak on four points. 现在，我讲四点意见。
- The weight of the roof bears on four posts. 屋顶的重量都压在四根柱子上。
- Doesn't it blow your mind? This is only four cylinders. 不会让你惊异吗?这车才四缸。
- The old man was dying. It was just and shot in the dark to operate on him. 那老人生命垂危，给他做手术只是没多大希望地试一试。
- Nearly all the tractors operate on diesel oil. 几乎所有的拖拉机都用柴油开动。
- It was a curious little green box on four wheels. 那是安在四只轮子上的一只奇怪的小小的绿色车厢。
- We still had to operate on a shoestring. 我们仍得小本经营。
- His fitness to operate on a patient is in question. 他是否适宜为患者动手术还是个问题。
- The great sea fight turned on four elements. 这一场大海战，胜负取决于四个因素。
- Rest your eyes on four calm bedrooms. 来瞧瞧四个宁静的卧室。
- This law becomes operative on 12 May. 此法令自5月12日起生效。
- A horse may stumble on four legs. 马有四条腿,亦有失蹄时。
- The doctors decided to operate on the patient once. 医生们决定立刻动手术。
- How can anybody be so ossified on four beers? 才喝了四杯啤酒就醉成这样?
- She's having an operation on her leg. 她的腿正在动手术。
- The new schedule come into operation on June 1st. 新的日程表是从6月1日开始实行的。
