young

a. 年轻的, 无经验的, 朝气蓬勃的
n. 青年们, 幼小动物, 崽
【法】 少年的, 年轻的, 年龄较小的

名词:youngness 形容词比较级:younger 最高级:youngest 

young

adj.（形容词）
young.er,young.est
Being in an early period of life, development, or growth.
年幼的：处于生命、发展或成长的早期的
Newly begun or formed; not advanced:
早期的：刚开始或刚形成的；未发展的：
例句：
The evening is still young.
暮色初临

Of, belonging to, or suggestive of youth or early life:
年轻的，幼小的：年轻的或生命早期的，属于或暗示这一阶段的：
例句：
He is young for his age.
他对于他的年龄显得小

Vigorous or fresh; youthful.
充满活力的：充满活力的或精力充沛的；朝气蓬勃的
Lacking experience; immature:
初出茅庐的：缺乏经验的；不成熟的：
例句：
a young hand at plowing.
犁田的新手

Being the junior of two people having the same name.
年龄较小的：同名的两人中年龄较小的
Geology Being of an early stage in a geologic cycle. Used of bodies of water and land formations.
【地质学】 早期阶段的：地质圈中处于早期阶段的，用于水体和陆地的形成
n.（名词）
Young persons considered as a group; youth:
年轻一代：作为整体的年轻人；年轻人：
例句：
entertainment for the young.
年轻人的娱乐

Offspring; brood:
后代；子孙：
例句：
a lioness with her young.
带小狮的母狮


<习惯用语>with young
Pregnant.
怀孕的
来源：
Middle English yong
中古英语 yong
from Old English geong * see yeu-
源自 古英语 geong *参见 yeu-

【引伸】
young.ness
n.（名词）
<参考词汇><同义词>young,youthful,adolescent,immature,juvenile,puerile,greenThese adjectives are compared as they mean of, relating to, characteristic of, or being in an early period of growth or development.
把这些形容词进行比较是因为，它们表示处于成长或发展的早期的、或与此相关的或以此为特征。
Young is the most general of the terms:
Young 是这些词中最一般的一个：
例句：
a young child.
一个小孩。

Youthful suggests characteristics, such as enthusiasm, freshness, or energy, that are associated with youth:
Youthful 暗示着与青春有关的特性；如热情、朝气或精力：
例句：
youthful ardor.
年轻人的锐气。

Adolescent specifically implies the characteristics of those in the period between childhood and maturity:
Adolescent 特指处于儿童和成熟期之间的那些人的特征：
例句：
adolescent insecurity.
青春期不稳定。

Immature applies to what is not yet fully grown or developed;the term sometimes suggests that someone falls short of an expected level of maturity:
Immature 用于未充分成长或发展的人和事；它有时暗示着某人达不到预期的成熟水平：
例句：
an emotionally immature adult.
情感不成熟的成年人。

Juvenile connotes immaturity, often childishness:
Juvenile 表示不成熟，常常是孩子气：
例句：
the juvenile pranks of the conventioneers.
参加集会的人的幼稚的恶作剧。

Puerile is used derogatorily to suggest silliness, foolishness, or infantilism:
Puerile 贬义性地暗示愚蠢、傻气或幼稚：
例句：
a puerile joke.
愚蠢的笑话。

Green implies lack of training or experience and sometimes callowness:
Green 表示缺乏训练或经验，而且有时笨拙：
例句：
The crew couldn`t deal with the emergency.They were all green recruits.
乘务员们不能应付紧急情况。他们都是新手