青年人的英文：
【医】 puber

He wrote the book to the taste of the youngsters.
他是按照青年人的口味写的这本书。

the ebullience of youth
青年人的热情洋溢

The youth should look far ahead and aim high, and have a global outlook.
青年人要高瞻远瞩，放眼世界。

Youth must store up; age must use.
青年人要积蓄，老年人要花费。

Time was when [urBan gangs] were part of a . . . subculture that inner-city adolescence outgrew
曾经有个时候城内的青年人已成长大了

Let no young people be misled and rush fatally into romance-writing.
但愿青年人不要盲从，一厢情愿地去写浪漫小说。

Time was when [ urban gangs ] were part of a.subculture that inner - city adolescence outgrew(George F.Will)
曾经有个时候城内的青年人已成长大了，[都市群体]不再属于亚文化群的一部分乔治F.威尔)

youthful pleasure
青年人的乐趣

the vigo(u)r of youth=youthful vigo(u)r)
青年人的活力

Youth looks forward and age Backward
青年人向前看,老年人向后看