下功夫
詞語: 下功夫
解釋: put their back to it
詞典: 船舶專業漢英詞典
下功夫 相關解釋
put their back to it 〔不及物動詞〕發奮努力,下功夫
下功夫 put their back to it
下功夫 put his back to it;put their back to it
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