The earnest young doctor answered all our questions.

这个认真的年轻医生回答了我们所有的问题。

《牛津词典》

He was a very earnest young man.

他是个非常认真的年轻人。

youdao

With these thoughts in mind, my son crafted a simple, yet telling essay describing an earnest young man who, if anything, was a bit self-effacing.

以这些想法为基础，我儿子起草了一篇朴实而生动的文章，描写一个真挚热忱还有点自我谦逊的年轻人。

youdao

Early U2 recordings show earnest young men influenced to varying degrees by Christianity, Irish social unrest and punk music.

CNN: U2's new 'POP' culture

The earnest young man also loved looking under the hood of companies to see how their wiring might be improved.

ECONOMIST: Schumpeter

Up to 80% of Spaniards say they support the earnest young protesters.

ECONOMIST: Spain's indignants