1.purge v. 打击;采取严厉措施,制裁
例句:The leadership voted to purge the party of 'hostile and anti-party elements'.
领导层投票决定清除党内的“敌对和反党分子” 。
2.crack down v. 严厉打击;镇压
例句:The House voted today to crack down on banks that launder drug money.
众议院今天表决打击为毒资洗钱的银行 。