lightweight

柯林斯词典

1. ADJ Something that is lightweight weighs less than most other things of the same type. 重量轻的
...lightweight denim. …轻薄的粗斜纹棉布。
2. N-UNCOUNT Lightweight is a category in some sports, such as boxing, judo, or rowing, based on the weight of the athlete. (运动中的) 轻量级
By the age of sixteen he was the junior lightweight champion of Poland. 16岁时他已是波兰少年轻量级冠军。
3. N-COUNT If you describe someone as a lightweight, you are critical of them because you think that they are not very important or skilful in a particular area of activity. 无足轻重者[表不满]
Brian considered Sam a lightweight, a real amateur. 布赖恩认为萨姆是个无足轻重的人，是个真正的业余选手。
4. ADJ Lightweight is also an adjective. 无足轻重的
Some of the discussion in the book is lightweight and unconvincing. 书中的一些讨论无足轻重而且缺乏说服力。