The army would be brought in swiftly to quash any rebellion. 军队很快就会被调来镇压任何的反抗。
quash doubts/rumours/speculation 打消疑虑/平息谣言/平息猜测
His conviction for murder was quashed in the Court of Appeal. 对他犯有故意杀人罪的判决被上诉法院撤销了。