a staunch supporter of controls on 如何翻译？

【原文】中方重视联合国在国际事务中的核心作用，坚决维护以联合国宪章宗旨和原则为核心的国际秩序和国际体系，一贯致力于发展与联合国合作关系，坚定支持联合国的事业。

【译文】China attaches great importance to the principal role the UN plays in international affairs, upholds the international order and system with the principles and purposes of the UN Charter at its center, and remains committed to cooperating with the UN.

词汇短语：

staunch

1、ADJ-GRADED 坚定的;忠诚的;虔诚的 A staunch supporter or believer is very loyal to a person,organization, or set of beliefs, and supports them strongly.  

He's a staunch supporter of controls on government spending.

他坚决支持控制政府开支。

【拓展】staunchly

He was staunchly opposed to a public confession.

他坚决反对公开认罪。

2、VERB 止住…的流动 To staunch the flow of something means to stop it.  

The government claims this is the only way to staunch the annual flow to Germany of hundreds of thousands of refugees...

政府称这是阻止每年数十万难民涌入德国的唯一办法。

Efforts to staunch the spill of crude oil from a tanker off the north coast of Scotland are being held up by gale force winds.

为阻止苏格兰北部沿海一艘油轮的原油泄漏所进行的堵漏工作因风暴天气而告中断。

3、VERB 给…止血 To staunch a wound, or to staunch the blood from a wound, means tostop the wound from bleeding.  

Tom tried to staunch the blood with his handkerchief.

汤姆试图用手帕来止血。