Your stepfather keeps feeding leaves into his grinder until the policeman is about three feet away .
直到警察离他只有三英尺远，你的继父一直在把叶子放进他的叶子磨床。
One of them then suggested a grinder but that would have involved running an electric cable out on to the pavement and the health and safety executive gets into a terrible flap about that sort of thing .
