英语词汇“be hard at it”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	be hard at it
释义	be hard at it 专心致志于…,刻苦钻研
随便看	total condition total conductance total conductivity total confinement system total conjugation total console total construction cost of water project total construction time total consumption burner total consumption expenditure total consumption of coal total consumption of general government total consumption of nuclear fuel total consumption of population total contact total contact ratio total contact roll length total containment total content total content of organic carbon total contract total contract sum total contract value total contribution total contribution margin 没杀人，落两手血没板眼尺寸没枣打三竿子没框的算盘珠，全散没框的算盘珠，全散啦没桥过不去河，没梯上不去楼没梁桶儿，休提没棱角没槽道没正经どあどあいどあい【度合い】どあちぇーんどあつーどあどあまんどあみらーどいつどいつ【何奴】どいつもこいつも