lightweight

名词 lightweight:

1. a professional boxer who weighs between 131 and 135 pounds
2. someone who is unimportant but cheeky and presumptuous
   同义词：whippersnapper, jackanapes
3. an amateur boxer who weighs no more than 132 pounds
4. a wrestler who weighs 139-154 pounds

形容词 lightweight:

1. having no importance or influence

1. One of the lightweight circular supports for a hoop skirt.
   撑裙箍带裙环女裙中的很轻的环形支撑物
2. Lightweight clothing; a lightweight wood.
   比较轻的衣物; 比较轻的木材
3. A fine, lightweight, silk and wool or cotton and wool dress fabric.
   毛葛，棉毛呢一种精制且轻的丝毛或棉毛的服装纺织品
4. A lightweight canoe that is similar in construction.
   小艇结构与爱斯基摩划子相似的重量轻的小舟

light.weight

n.（名词）
One that weighs relatively little or less than average.
轻量级：体重相对较轻的或在平均重量以下的人（或动物）
Sports
【体育运动】
A professional boxer weighing more than 2' and not more than 35 pounds (approximately 57-' kilograms), heavier than a featherweight and lighter than a welterweight.
轻量级拳手：体重在2'到35磅（57-'公斤）之间的职业拳手，其体重重于次轻量而轻于次中量级的拳手
A contestant in various other sports in a similar weight class.
在其他比赛中的相似的体重级别
A person of little ability, intelligence, influence, or importance.
才智不足者，不重要的人：处于相似重量级的选手智力或能力低下、无影响力或重要性的
adj.（形容词）
Weighing relatively little; not heavy:
重量轻的；不重的：
例句：
lightweight clothing; a lightweight wood.
比较轻的衣物；比较轻的木材

Sports Of, relating to, or characteristic of a lightweight:
【体育运动】 轻量的、与之相关的或有之特性的：
例句：
the lightweight title.
轻量级冠军

Having no significance or influence:
无足轻重的或没有影响力的：
例句：
a lightweight intellect.
一个无足轻重的知识分子