youth/adolescent/juvenile/teenager.导航词义：青少年

1. youth:n. 少年，年轻人.现在几乎专指年轻的男性，尤用于报纸上，常含贬义。但作为集合名词时，男女青年皆可指，且无贬义。

The street fight was started by a gang of youths.

这场街头打斗是由一伙少年挑起来的。

There are groups of youths playing basketball over there.

成群的小伙子正在那里打篮球。

The youth of the country are being ignored by their leaders.

该国的青年没有受到领导人的重视。

The government calls on the youth to donate their blood voluntarily.

政府号召青年义务献血。

2. adolescent:n. 青少年.与 teenager 基本同义，但更加正式，强调尚不成熟。

An adolescent is often caught up in fantastic thoughts.

青少年常常耽于奇思异想。

His mental capacity never really got beyond that of an adolescent.

他的智力从未真正超过一个未成年人。

3. juvenile:n. 青少年.常为法律术语，强调未成年的人。

The number of juveniles arrested for violent crimes is increasing.

因暴力犯罪而被捕的少年犯人数在上升。

The number of juveniles in the general population has fallen.

总人口中青少年所占比例下降。

4. teenager:n. 青少年.主要指 13 至 19 岁之间的青少年，强调该年龄段群体的自身特点。

Teenagers are vigorous.

青少年精力旺盛。

Their band is made up of three cool teenagers.

他们的乐队由3个帅气的少年组成。

I don't get pimples now, but I did when I was a teenager.

我现在不会长青春痘，但我在青春期时却没少长。

全部

1·Most adolescent problems are temporary.

多数青春期的问题都是暂时的。《柯林斯英汉双解大词典》

2·He was showing off, as is the way with adolescent boys.

他在炫耀，青春期的男孩都是这个样子。《牛津词典》

3·A little adolescent rebellion is commonly believed to be healthy.

少许青春期叛逆被普遍认为是一个健康的现象。《柯林斯英汉双解大词典》

4·The average boy of 14 years old is only beginning his adolescent growth spurt.

一般14岁的男孩才刚刚开始他青春期的的迅猛发育。《柯林斯英汉双解大词典》

5·It is important that an adolescent boy should have an adult in whom he can confide.

一个青春期男孩应该有一个他能倾吐心声的成年人，这是很重要的。《柯林斯英汉双解大词典》

6·The adolescent becomes an adult when he undertakes a real job.

当青少年从事一份真正的工作时，他就长大成人了。

7·Pursuing a career is an essential part of adolescent development.

追求事业是青少年发展的重要部分。

8·In awe of his mother and in love with his father, the adolescent Max chose to stay with Mac.

出于对母亲的敬畏和对父亲的爱，青春期的马克思选择和麦克同住。

9·Most biologists, nonetheless, are doubtful that this is a humanlike adolescent growth spurt.

尽管如此，大多数生物学家还是怀疑这是否是一种类似人类的青春期突增。

10·The healthy adolescent boy or girl likes to do the real things in life, to do the things that matter.

健康的青春期男孩或女孩喜欢做生活中真实的事情，做重要的事情。

青少年

1·The adolescent becomes an adult when he undertakes a real job.

当青少年从事一份真正的工作时，他就长大成人了。

2·Pursuing a career is an essential part of adolescent development.

追求事业是青少年发展的重要部分。

3·What is lacking today is the conflict between adolescent's desire for autonomy and their understanding of an unsafe world.

如今所缺少的是青少年对自我管理的渴望和他们对这个不安全的世界的理解所产生的矛盾。

4·They plan to buy souvenirs and a watch — and cosmetics, Yuki said, giving her father one of those disgusted adolescent looks.

他们打算买一些纪念品和一只手表——”还有化妆品。” Yuki 补充道，并向她父亲投去了一种厌恶的青少年的眼神。

5·The researchers conclude that electronic communication was the only adolescent activity that increased at the same time psychological wellbeing declined.

研究人员得出结论，电子交流是青少年唯一一项在心理健康下降的同时增加的活动。

青春期的

1·Most adolescent problems are temporary.

多数青春期的问题都是暂时的。《柯林斯英汉双解大词典》

2·He was showing off, as is the way with adolescent boys.

他在炫耀，青春期的男孩都是这个样子。《牛津词典》

3·A little adolescent rebellion is commonly believed to be healthy.

少许青春期叛逆被普遍认为是一个健康的现象。《柯林斯英汉双解大词典》

4·The average boy of 14 years old is only beginning his adolescent growth spurt.

一般14岁的男孩才刚刚开始他青春期的的迅猛发育。《柯林斯英汉双解大词典》

5·It is important that an adolescent boy should have an adult in whom he can confide.

一个青春期男孩应该有一个他能倾吐心声的成年人，这是很重要的。《柯林斯英汉双解大词典》

青年的

1·The researchers compared eight boys ages 16 to 18 with aggressive conduct disorder to a group of eight adolescent boys with no unusual signs of aggression.

研究者们比较了8名16 - 18岁的带有侵略性青年，并且随机将其加进了8名没有侵略倾向的男孩儿。

2·The Mexican study included researchers from the National Center for Child and Adolescent Health in Mexico, and from the Centers for Disease Control and Prevention in the US.

墨西哥研究包括墨西哥儿童和青年国家卫生中心和美国疾病控制和预防中心的研究人员。

3·It was not money that lured the adolescent husbandman to the cities, but the gay life.

把那个青年农民引诱到城市的东西不是金钱，而是那里的欢乐生活。

4·But a gain of two BMI units over two years is more than the typical weight gain for adolescent girls, the researchers said.

但是，两年内身体质量增加两个指数，这要多于一般青年女孩的体重，研究者说。

5·To figure out the structure of social competence of adolescent students, Questionnaire on social competence of Adolescents is designed in the light of the new multidimensional model.

重新阐述了社交能力的概念和内涵，提出研究青年学生社交能力的结构模型。

青春的

1·Along the way, they learn a little about themselves, and about the vagaries of adolescent friendships that seem rock-solid and undying until they blow away like gossamer.

一路上，他们对自己有了一些认识，对青春友谊的变幻莫测有了一些认识，这友谊貌似坚如磐石、始终不渝，却会像薄纱一般随风而逝。

2·The childishness of juvenile had just faded from his face and the adolescent luster of his age had not been coruscating due to apparent malnutrition.

脸上看来才刚刚褪掉少年的稚气——显然由于营养不良，还没有焕发出他这种年龄所特有的那种青春光彩。

3·She seems a rather creepy, jejune and adolescent fantasy.

她是一个怪异，不成熟的青春幻想产物。

4·The fragile innocence of an adolescent girl becomes his ideal means in contemplating the vulnerability of human virtue.

感性的青春少女成为他最理想的手段，用来诠释人类美德的脆弱性。

(1)adolescent health青少年健康