overturn

1. V-T/V-I If something overturns or if you overturn it, it turns upside down or on its side. 打翻; 翻倒

The motorcycle veered out of control, overturned and smashed into a wall. 摩托车转向失去了控制，翻倒在地，然后猛地撞到一面墙上。

Alex jumped up so violently that he overturned his glass of wine. 亚历克斯跃起得太猛，以至于打翻了他的那杯葡萄酒。

2. V-T If someone in authority overturns a legal decision, they officially decide that that decision is incorrect or not valid. 推翻

When the courts overturned his decision, he backed down. 当法院推翻了他的决定时，他让步了。