1
- mass noun a weight in boxing and other sports intermediate between featherweight and welterweight轻量级。
1.1
- In the amateur boxing scale it ranges from 57 to 60 kg轻量级（业余拳击中57至60公斤之间的级别）。
1.2
- count noun a boxer or other competitor of this weight轻量级拳击手（或其他运动员）。
2
- a person or thing that is lightly built or constructed体重轻的人; 重量轻的物体。
2.1
- a person of little importance or influence, especially in a particular sphere无足轻重的人; 小人物：
he was regarded as a political lightweight.
他被看成是一个政治上的小人物。
1
- of thin material or build and weighing less than average（材料, 造型）薄的, 薄型的; 低于平均重量的：
a lightweight grey suit.
轻质的灰色套装。
2
- containing little serious matter少严肃内容的, 轻松的：
the newspaper is lightweight and trivial.
这份报纸很少严肃内容, 都是些日常琐事。
2.1
- (of a person) having little importance or influence（人）无足轻重的, 没有影响力的：
he is too lightweight to become Chancellor.
他缺少影响力, 当不了财政大臣。