An American judge yesterday dismissed murder charges against Dr Jack Kevorkian.昨天一个美国法官驳回了对杰克·凯沃尔基安医生的谋杀指控。She refused to testify, unless the murder charge against her was dropped.她拒绝作证，除非撤销对她的谋杀指控。They appeared at court yesterday to deny charges of murder.他们昨天出庭否认谋杀指控。