a United Nations security council resolution
→国連安保理決議
a U.N. Security Council resolution
→国連安保理決議
a Security Council resolution
→安保理決議
私が知っているのは↑の三つです。
他の言い方もあるかもしれませんので、
一例とお考えください。
UN は United Nations の略で、「国連」という意味です。
「安保理」は Security Council、
「決議」は resolution と言います。
例）
A United Nations Security Council resolution negotiated by the U.S. and China seeks to
cut all North Korean exports of coal, iron, lead and seafood in response to Pyongyang's
ballistic missile tests, according to two diplomats familiar with the measure.
〔Fortune-Aug 5, 2017 より〕
Britain and Japan discussed the possibility of adopting a new U.N. Security Council
resolution over North Korea, a British government source said on Thursday, after North
Korea fired a missile over Japan this week.
〔Reuters-Aug 31, 2017 より〕
A Security Council resolution needs nine votes in support, and no vetoes from the five
permanent members (the US, France, Russia, UK and China) in order to pass.
〔BBC News-Feb 28, 2017 より〕
参考にしてください、
ありがとうございました。
日本 
