青年节的英文：
youth day

youth是什么意思：
n. 青春（时期）；初期；青年们

The Flight of Youth
青春飞逝

My youth and youthful strength fled long ago.
我的青春和青春的活力早已消失。

The youth has plenty of go in him.
这个年轻人干劲十足。

You should consider his youth.
你应体谅他的年轻。

a nation in its youth
建国初期

day是什么意思：
n. 一天；白昼，白天；工作日；时代，时期

Things go on day by day.
事情逐日进行着。

Day by day the situation is improving.
情况在一天天地好转。

Like this, day after day.
就这样，日复一日。

It was a fateful day.
那是个不祥的日子。

Meantime, from day to day they endure.
同时，一天天他们捱了下去。