quash

1. V-T If a court or someone in authority quashes a decision or judgment, they officially reject it. 撤销; 废止

The Appeal Court has quashed the convictions of all eleven people. 上诉法院已经撤销了对所有11人的判决。

2. V-T If someone quashes rumours, they say or do something to demonstrate that the rumours are not true. 澄清 (谣言)

Graham attempted to quash rumours of growing discontent in the dressing room. 格雷厄姆试图澄清化妆室里日益增长的不满情绪的谣言。

3. V-T To quash a rebellion or protest means to stop it, often in a violent way. 镇压; 平息

Troops were displaying an obvious reluctance to get involved in quashing demonstrations. 部队明确表示不愿卷入镇压示威活动。