And it possessed all the glamour of a souped-up lawnmower .

而且它拥有一辆马力增强版割草机的所有魅力。

And the engine sounds like a lawnmower .

还有，引擎犹如割草机。

Confidence without knowledge is like a sports car with a lawnmower engine .

没有知识的自信就好比是一辆拉风的跑车却装配着剪草机的引擎。

Immovable object : a stubborn nut on an old lawnmower or pickup truck refuses to budge .

纹丝不动：在旧割草机或载货卡车上一个顽固的螺帽就是不肯动。

The remainder use crude belt-drive systems or are powered by tiny engines with the farmer himself having to guide the machine , as in a " walk-behind " lawnmower .

其余的拖拉机或是使用皮带传动系统，或是由小型发动机提供动力，农民必须亲自操作，就像“人在后面走的”剪草机。