smartening
v.
使（更）漂亮( smarten的现在分词 );
使（更）聪明;
变得（更）漂亮;
变得（更）聪明;
例句:
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Shoreham has been smartening up its riverfront; schemes include the Ropetackle development of flats and an arts centre.
来自THETIMES
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The idea of smartening up had simply never occurred to him.
他就从来没有变聪明的想法.
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The wind was smartening.
风越刮越大.
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But all I really ask is that there is a replacement of the 'dumbing down' with a 'smartening up'.
来自SA
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If you plan to let it for more than six months, it's worth smartening it up you'll get it back in increased rental rates.
来自THETIMES