He got his revenge by spilling his drink over the other man accidentally on purpose. 他别有用心地把酒溅在另一个人的身上进行报复。
The boy told his father that he had dropped the radio when he fell on the ground,but he latter admitted to his mother that he had broken it accidentally on purpose because he wanted a new one. 那个男孩对他的爸爸说他跌倒的时候把收音机摔着了，可后来对妈妈承认他也想摔坏它，因为他想要一个新的。
It wasn't an accident; you did it on purpose. 这不是一次偶然事故，你是故意这么做的。
Was it an accident or did David do it on purpose? 这是意外事故还是大卫故意做的?
He explained that he have not do it on purpose. 他解释他不是故意做这件事的。