diplomatic courier

基本解釋

As a kind of "special diplomat" , the diplomatic courier bears the responsibility of ensuring the confidentiality and security of the diplomatic bag.
外交信使作爲“特殊的外交人員”，其職責在於保証外交郵袋在傳遞過程中的機密和安全。
We were having an important discussion about diplomacy and the next thing I know, you’re talking about that diplomatic courier in the dingy suit over there.
約翰問，“我們剛剛還在進行一個有關(guān)外交工作的重要討論，可你現(xiàn)在又在談?wù)撃沁呉轮邋莸耐饨恍攀沽??！?/li>
The diplomatic courier, when conveying a diplomatic bag, shall be provided with a courier certificate issued by the competent authorities of the sending state.
外交郵袋由外交信使轉(zhuǎn)遞時，必須持有派遣國主琯機關(guān)出具的信使証明書。
www.mfa.gov.cn

Ensure the organization and implementation of various means of communication used by the Organization: regular mail, airmail, diplomatic pouch, courier services, etc.
UNESCO: Vacancy : Chief of Unit (28/2/2011) (ADM 552 - (P1P2))

外交信使
As a kind of "special diplomat" , the diplomatic courier bears the responsibility of ensuring the confidentiality and security of the diplomatic bag.
外交信使作爲“特殊的外交人員”，其職責在於保証外交郵袋在傳遞過程中的機密和安全。
政治學
外交信使