steadfast friend

基本解释

My best and most steadfast friend.
我的最好，最亲密的朋友。
But it's China, often praised by Pakistani officials as a steadfast friend, that may offer Islamabad its best hope for a major cash infusion.
广告不过，最有希望向巴基斯坦进行大规模注资的可能是常常被该国官员称赞为牢固朋友的中国。
Your thinking will be clear, however, and you may suddenly find yourself in a disagreement with a friend where each of you will hold steadfast to your beliefs.
你的想法非常明晰，但是，你可能会发现自己不同意朋友的观点，但你俩彼此都很坚定自己的看法。

And as long as there are people who live in the darkness of oppression, America will remain their steadfast friend, linked by a common dream and our common ideals.
WHITEHOUSE: Presidential Proclamation -- Captive Nations Week, 2012
Patrick's Day. (Laughter.) We just wanted to prove that America considers Ireland a dear and steadfast friend every day of the year. (Applause.) Some of you may have noticed we even brought the cherry blossoms out early for our Irish and Northern Irish visitors.
WHITEHOUSE: White House St. Patrick's Day Reception