阁下

His (Her,Your)Excellency(在英联邦国家一般只用于称呼大使和外交部长，在美国则用于大使和部长级的高级官员，但不用于总统和副总统);The Honourable（用于一般贵族和某些政府官员的尊称）;The Right (Rt.)Honourable（用于某些贵族和枢密院成员以及高级政府官员的尊称）;Your Honour（对法官称）;Your Lordship（对市长称）
大使～ Your Excellency Mr Ambassador; His Excellency (or Her Excellency) the Ambassador/敬请～光临Your Excellency’s presence is cordially requested.