The painting is a masterpiece in the truest sense of the word.

这幅画是名副其实的杰作。

《牛津词典》

Failing at something can help you discover your truest friends, or help you find unexpected motivation to succeed.

在某些事情上的失败可以帮助你发现最真诚的朋友，或帮你找到意想不到的成功动力。

youdao

I simply hope to show you my truest face.

我只希望在你面前表现最真实的自己。

youdao

Some people say it is the truest of American sports.

VOA: special.2009.02.16

He said Catholics do no injustice to anyone by presenting Christ as an opportunity of finding what he called "their truest and most authentic selves, the joy of finding life."

VOA: standard.2009.03.22

Today, the hip-hop impresario has evolved into a celebrity, in the truest sense of the word.

FORBES: Magazine Article

It's a "fat farm" in the truest sense--but too much fattening can hurt the taste.

FORBES: Magazine Article

"She was beautiful in beauty's truest form, a soul filled with goodness, " she added.

BBC: Photo of Catherine Gowing and candle inside funeral church