discharge
verb uk/dɪsˈtʃɑːdʒ/ us/dɪsˈtʃɑːrdʒ/
(ALLOW TO LEAVE)
[ T ]允许…离开;（尤指）允许…出院;（根据法庭决议）释放
to allow someone officially to leave somewhere, especially a hospital or a law court
Patients were discharged from the hospital because the beds were needed by other people. 由于其他人需要床位，患者们便被允许出院了。
More than half of all prisoners discharged are reconvicted within two years. 在获释的犯人中有一半多在两年内又被再次判刑。
UK A peace protester was conditionally discharged for twelve months (= allowed to go free only if they do not commit a crime again for this period of time). 一个和平抗议者被有条件假释12个月。
(SEND OUT)
[ I or T ]排放，排出（尤指废液或废气）
to send out a substance, especially waste liquid or gas
Large amounts of dangerous waste are discharged daily by the factory. 这个工厂每天排放大量的危险性废物。
The oil that discharged into the sea seriously harmed a lot of birds and animals. 排放到海里的油对许多鸟和动物产生了严重的危害。
(PERFORM)
[ T ] formal履行（职责、义务）
to perform a task, especially an official one
The city must discharge its legal duty to house the homeless. 城市当局必须依法履行其收容无家可归者的职责。
discharge a debtformal 清偿债务
to pay back a debt completely
(FIRE GUN)
[ T ] formal开（枪），射出（子弹）
to fire a gun, or to fire a shot from a gun
The police stated that some 50 rounds had been discharged. 警方称大约射出了50发子弹。
discharge
noun uk/ˈdɪs.tʃɑːdʒ/ us/ˈdɪs.tʃɑːrdʒ/
(PERMISSION TO LEAVE)
[ C or U ]获官方允许离开（军队，监狱或医院）
official permission to leave the armed forces, a prison, or a hospital
The soldier received a dishonourable discharge for a disciplinary offence. 那位士兵因违反纪律而被开除了。
UK The judge gave him a one-year conditional discharge. 法官判他有条件假释1年。
(SUBSTANCE)
[ C or U ]（尤指废液或废气的）排放
the act of sending out waste liquid or gas
Thousands of fish were killed as a result of a discharge of poisonous chemicals from a nearby factory. 成千上万条鱼被附近工厂排出的有毒化学物质毒死。
[ C or U ]（常指人体某一部分因感染而产生的）脓，液体分泌物
liquid matter that comes from a part of the body and is often infected
a vaginal discharge 阴道分泌物
(PERFORMANCE)
[ U ] formal履行（责任）;清偿（债务）
the performance of duties or payment of money that is owed
the discharge of his duties 履行他的职责
(FIRING GUN)
[ U ] formal开枪，开火
the action of firing a gun