overturn
🇺🇸
/ˌəʊvərˈtɜːrn/
🇬🇧
/ˌəʊvəˈtɜːn/
to turn something over so the top is where the bottom was
He stood up quickly, causing the chair to overturn.
他迅速站起来,导致椅子翻倒了。
to officially change a legal decision because it was wrong
The appeal court decided to overturn his conviction.
上诉法院决定推翻他的定罪。
to prove that a belief or idea is wrong
Her research helped overturn old theories about the disease.
她的研究帮助推翻了关于这种疾病的旧理论。