英语翻译一,你能证明自己与此无关吗（prove）二,他停了会儿清了清嗓子（pause to）三,这两辆小汽车的尺寸和设计

1 Can you prove that you have nothing to do with it 2 He pauses to clear his throat。3 The size and design of these two cars are similar to each other's。4 They react to this new strongly。4 My father has been not feeling well lately。