She is the youngest in her class.

她在班里年龄最小。

《牛津词典》

She coddled her youngest son madly.

她过分溺爱她最小的儿子。

《柯林斯英汉双解大词典》

Her youngest child is at nursery now.

她最小的孩子现在上托儿所。

《牛津词典》

Last year, Selena Gomez became the youngest person to be named a United Nations Children's Fund Ambassador in the United States.

VOA: special.2010.10.08

Probably, though, you wouldn't want to have the very youngest guys up front, because another thing you want is experience.

但是你也不会把最年轻的人放到前排,因为你需要的还有作战经验

耶鲁公开课 - 古希腊历史简介课程节选

And the most religiously volatile part of the world tends to be the youngest.

另外，世界上在宗教方面最不稳定的部分,常常是青年人。

普林斯顿公开课 - 人性课程节选

At 36, Howard Lutnick is the youngest chief executive of a major Wall Street firm.

FORBES: Briefing Book: Howard Lutnick

In 1972, at age 29, he became one of the youngest people elected to the Senate.

NPR: Ohio Voters React To Biden Selection

"It's a completely different year, " said the 23-year-old, who could become Formula One's youngest world champion.

BBC: Hamilton 'calm' over title finale