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	low water low water alarm low-water alarm low water-bearing formation low water control low-water culvert low water cutoff low-water cutoff low water datum low-water datum low-water degradation low-water discharge low water discharge low water equinoctial springs low water float operated valve low water flow low water forecast low-water fuel cutoff low water full and change low water full and change of moon low-water ga(u)ge low water head low water indian springs low water inequality low-water inequality 附会穿凿附凤攀龙附势趋炎附声吠影附庸风雅附影附声附炎趋热附翼攀鳞附耳低言附耳射声陸路陸軍陸送陸運陸釣り陸釣リ陸陸陸離陸風険