lightweight
n, adj
1 (boxer) weighing between 57 and 61 kg, next above featherweight 轻量级的(拳击手)(体重在57和61公斤之间, 在次轻量级之上)
the European lightweight champion 欧洲轻量级拳击冠军.
2 (infml 口) (person or thing) of little influence or importance 无足轻重的(人或物)
a political lightweight 政治上的无名之辈
a lightweight news item 不重要的消息.