“大使的”的英语可以翻译为：ambassadorial，embassador ...

我正拿着大使的急件。I was carrying dispatches from the ambassador.大使的派驻令已下达, 要他去巴黎任职.The ambassador's posting has come through; it's Paris.总统负责对大使的任命.The president is responsible for the designation of ambassadors....