It's my best ever score.

这是我得到过的最好分数。

《牛津词典》

He would be the best ever to walk out onto the diamond.

他将是棒球场上最出色的球员。

《柯林斯英汉双解大词典》

The rest of the day, I did things to ensure that my day was the best ever. And it was.

剩下的时间，我做了一些事情使得我拥有更美好的生活。

youdao

At age thirty-eight he scored four goals as his team gave the best performance ever by a team from Africa.

VOA: special.2010.06.09

In fact one of the frankly best things I ever did as an undergraduate was, perhaps fittingly, take this course pass-fail.

实际上我上本科时做的最得意的事,恰当地说，就是把这门课的成绩看成及格和不及格两种。

哈佛公开课 - 计算机科学课程节选

I had to ask them questions like, "What's the best present you've ever got?

我得问他们像这样的问题，“你收到过的最好的礼物是什么？”

在超市遇到的人 - SpeakingMax英语口语达人

Secondly, Bogdan Bernevig states that the Israeli offer rejected by Arafat was the best ever.

BBC: What hope for Middle East peace?

The Crimson Tide's defense is one of the best ever, leading in rushing, passing and scoring.

WSJ: BCS Championship 2012, LSU-Alabama: Should Voters Put the Tigers First for a Close Loss?

Billboard Magazine said the performance was "easily one of the best ever" half-time shows.

BBC: Beyonce