Who is the best candidate in your estimation ?

你认为谁是最合适的人选？

《牛津词典》

Imagine yourself as someone who is the best for the task you are doing.

把自己想象成最适合你正在做的任务的人。

youdao

Writer — Who is the best author?

作者——谁是最好的作者？

youdao

"All the academy members find it difficult to pick one sports person who is the best."

VOA: standard.2010.02.11

It gets to the essence of the question of who is best equipped to educate ? future generations of citizens and civic leaders.

这探触到问题的本质,到底谁最适合教育未来的,后代公民及公民领袖。

耶鲁公开课 - 政治哲学导论课程节选

So I think just discovering who you are and what kind of person you are is probably the best part

所以我觉得最好的部分就是，意识到你是谁和你是什么样的人。

身为大学生很快乐 - SpeakingMax英语口语达人

In other words, who is the best Grand Slam player who has yet to win one?

FORBES: The Ten Best Tennis Players Never To Win A Grand Slam Tournament

Keen players often band together into teams, or clans, and fight it out to discover who is the best.

BBC: British gamers set sights on Sweden

The substance of the issue is who is the best candidate for Eastleigh.

BBC: Eastleigh by-election: Cameron defends Maria Hutchings