You're a good friend.

你是个好朋友。

youdao

You're a good friend and you've loaned me money when I needed it.

你是个好朋友。我缺钱用的时候你也借过钱给我。

youdao

MARY BETH: It was nice of you to meet me here. You're a good friend.

玛丽·贝思：你能来这儿找我真是太好了。你是个好朋友。

youdao

One situation is when you're speaking with a friend who had given you really good advice that you failed to take.

一种情况是，当你正在和一个朋友交谈，他之前曾给你一些很好的建议，但你却没有采纳。

I should have 课堂 - SpeakingMax英语口语达人

If you're not a good writer, figure out the keywords and points you need to make, then ask a friend to help you out.

CNN: Online dating and a formula for love