They were young once.

他们也曾年轻。

youdao

He was young once.

他也曾年轻过。

youdao

Do you forget that you yourself were young once?

您忘了自己也曾年轻过吗？

youdao

Her MySpace page says her doctor once told her she had the larynx of a "very young adolescent."

VOA: special.2009.01.30

and it's pretty young. Once you turn 40,

而且都很年轻。如果你已经40岁了，

关于硅谷 - SpeakingMax英语口语达人

"We tried to use the power of cricket coaches in that instance to reach young boys and,once again, to educate them about healthy relationships and to model healthy and respectful behavior toward women and girls."

VOA: special.2010.07.15

You see, hard as it might be to credit it, I too was young once.

FORBES: The English Riots: When Will They Stop and What Will Stop Them?

The visitors grew in confidence and began the second half in blistering fashion with Bent and Ashley Young once again the main threats.

BBC: Gabriel Agbonlahor heads Villa's late winner

Bernie Madoff was also a young man once, back before his crime of biblical proportion.

FORBES: From Greg Smith To Bernie Madoff To Us