He was unable to attend the meeting in Moscow, because the Russian authorities had refused him a visa.他无法去参加在莫斯科举行的会议，因为俄罗斯当局拒绝给他发签证。The authorities refused to extradite him.当局拒绝引渡他。The administration refused to set out a specific timetable for troop withdrawal.政府当局拒绝制订撤军的具体时间表。The French authorities have refused to issue him a visa.法国当局拒绝给他发签证。