light·weightBrE/ˈlaɪtweɪt/NAmE/ˈlaɪtweɪt/nounaboxer weighing between 57 and 61 kilograms, heavier than a featherweight轻量级拳击手（体重在 57 至 61 公斤之间）◆alightweightchampion轻量级拳击冠军apersonorthingthatweighslessthanisusual体重低于通常重量的人；比通常重量轻的东西(informal, disapproving) apersonorthingoflittleimportanceorinfluence无足轻重的人（或事）；没有影响力的人（或事）◆apoliticallightweight政治上的无名之辈◆He'sanintellectuallightweight(= hedoesnotthinkverydeeplyorseriously). 他是个智力平庸的人。