go overboard to do far more than is necessary. 做得远远超出必要范围 What do you think causes the police to go overboard, to use excessive violence? 你认为是什么原因导致警察行为过激，滥用暴力? Wine is not a bad thing. But going overboard means it will eventually ruin one's life. 酒不是什么坏东西,但如果喝过头,它最终会毁掉一个人的生活。 He didn't need to buy her everything in the store! He went completely overboard. 他不用把店里的东西都买给她吧。他也太夸张了!