信使

xìn shǐ wǎng lái luò yì bù jué

信使往来，络绎不绝。

Messengers come and go in a constant stream.

wài jiāo xìn shǐ

外交信使

diplomatic messenger

yōng yǒu xìn shǐ zhèng míng shū

拥有信使证明书

have courier's credentials

pài qiǎn xìn shǐ

派遣信使

dispatch a courier to

lín shí xìn shǐ

临时信使

a temporary courier

xìn shǐ shòu mìng dì sòng liǎng fēng fēng qì de xìn

信使受命递送两封封讫的信。

A courier was despatched with two sealed envelopes.