词典释义：
rid (someone) of an unwanted feeling, memory, or condition, typically giving a sense of cathartic release
清洗（或清除、肃清、涤清）（某人）不愿有的情感（或记忆、情形，尤指产生宣泄感）
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Bob had helped purge Martha of the terrible guilt that had haunted her. 鲍勃帮着马莎消除了一直缠绕着她的可怕的犯罪感。
remove (an unwanted feeling, memory, or condition) in such a way
消除（不愿有的心情、回忆或状况）。
remove (a group of people considered undesirable) from an organization or place, typically in an abrupt or violent manner
（尤指突然或粗暴地）清除（一群不受欢迎的人）
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he purged all but 26 of the central committee members. 除２６人以外，他把中央委员会的其他成员都清除掉了。
remove someone from (an organization or place) in such a way
（突然或粗暴地）把某人从（机构或位置）上清除掉
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an opportunity to purge the party of unsatisfactory members. 清除党内不称心的党员的好时机。
【律】 弥补，消除（蔑视法庭罪）。
physically remove (something) completely
将（某物）彻底清除
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a cold air blower purges residual solvents from the body. 冷风机把身上残留的溶剂吹净了。
[no obj.][often as noun
（尤指服泻剂后）催泻，通便。
an abrupt or violent removal of a group of people from an organization or place
（突然或粗暴的）清除，肃清
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a purge of the ruling class is absolutely necessary 完全有必要对统治阶级进行一次清洗。
〈旧〉 泻剂。
"Middle English （in the legal sense clear oneself of a charge）： from Old French
