名词 lightweight:

1. a professional boxer who weighs between 131 and 135 pounds

2. someone who is unimportant but cheeky and presumptuous

3. an amateur boxer who weighs no more than 132 pounds

4. a wrestler who weighs 139-154 pounds

形容词 lightweight:

1. weighing relatively little compared with another item or object of similar use

2. having no importance or influence

lightn.光；光线；灯；打火机；领悟；浅色；天窗adj.轻的；浅色的；明亮的；轻松的；容易的；清淡的v.点燃；变亮；照亮adv.清楚地；轻便地lightwelln.采光井

1. Paper weight wool and silty, paper maoba large light-weight and very fine, silty.
   纸不净和粉质的比轻差别，纸不净背积不小轻量不沉，粉质极细而较轻。
2. "absolute principle, top priority"
   硬道理
3. The light loose mantle was thrown over his tunic.
   一件轻质宽大的斗蓬披在上衣外面。
4. A light rope made of two looselytwisted strands.
   细索两股松松地扭结在一起的轻质绳子。