diamond in the rough
US /ˈdaɪ.mənd ɪn ðə rʌf/
UK /ˈdaɪ.mənd ɪn ðə rʌf/
1.
璞玉, 未雕琢的鑽石
a person or thing that has great potential but is not yet refined or polished
:
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The young artist was a true diamond in the rough, needing only guidance to shine.
這位年輕的藝術家是塊真正的璞玉，只需指導就能大放異彩。
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The old house was a diamond in the rough, with good bones but in need of renovation.
那棟老房子是塊璞玉，結構很好但需要翻新。