n. 轻量级拳击手（体重在57至61公斤之间）( lightweight的复数形式 ); 体重低于通常重量的人; 比通常重量轻的东西; <非正, 贬>无足轻重的人[事]
英文释义
n. a professional boxer who weighs between 131 and 135 pounds
n. someone who is unimportant but cheeky and presumptuous
n. an amateur boxer who weighs no more than 132 pounds