lightweights
n.
轻量级拳击手（体重在57至61公斤之间）( lightweight的名词复数 );
体重低于通常重量的人;
比通常重量轻的东西;
无足轻重的人[事];
例句:
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Most of them have been political lightweights.
他们中多数都是政治庸才.
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The euro zone's finance ministers are political lightweights with no sense of leadership.
欧元区的财长往往都是政治上的轻量级人物,没什么领袖感.
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West Indies are the lightweights of modern cricket and they do not have the resources to make it back to the top.
来自THETIMES
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Jim Jarmusch, David Byrne, Keith Haring all the bad ones got ahead, all the apple-for-the-teacher lightweights.
来自NEWYORKER
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These often include features the lightweights lack, especially CD-ROM, DVD or CD-RW drives.
来自WSJ