foreign mission

基本解释

Entertain a foreign mission.
招待一個外國使團。
Mission: to develop brothers and sisters to love the un-reached, and to be Christians who are zealous in foreign mission, so as to enable Coronation to be a church with strong mission commitment.
使命：建立弟兄姐妹成爲胸懷普世、熱心蓡與宣教的基督徒，從而使加冕成爲委身宣教的教會。
www.coronationbc.org.sg
This autumn, he hopes to start at Abu Toubairah, near Nasiriyah, calling it "the first foreign excavation mission in southern Iraq since 2003."
今年鞦天，他打算從納西裡耶附近的Abu Toubairah開始他的探險，稱其爲“2003年以來在南伊拉尅進行的第一次國外發掘行動”。

In blunt terms,the Foreign Affairs Select Committee report says Britain's military mission in Afghanistan has failed to deliver what it promised, because troops are being asked to do too many different tasks.
Two senior U.S.diplomats went to Burma last week to open the dialogue and at a Manila news conference with Philippine Foreign Secretary Alberto Romulo, Clinton called the mission by Assistant Secretary of State for East Asian Affairs Kurt Campbell and his deputy Scott Marciel "very successful."

Mr Wang's flight to a foreign mission was extraordinary for somebody of his celebrity (as a fighter of organised crime) and rank (equivalent to that of a deputy provincial governor).
ECONOMIST: Shattering the façade
And, of course, he's, you know, been traveling around the world with a very - foreign policy mission.
NPR: Political Junkie: Three Weeks to Pennsylvania

a body of persons sent to a non-Christian country in order to propagate Christianity