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	microinvalidation microinvalidations microinvasion microinvasions microinvasive microinvasive carcinoma microinverse microinvertebrate microinvertebrates microinverter microinverters micro-investment micro-investments microion micro-ionic resin microionics micro-ionic sensor micro-ionophoresis microionophoresis microionphoretic microions microiontophoresis microiontophoresis apparatus microiontophoretic microiontophoretical 至忠逆于耳、倒于心，非贤主其孰能听之？至忠逆于耳，倒于心至感神。至敬无文。至此肠断彼心绝，云鬟绿鬓罢梳结。愁如回飙乱白雪，去年寄书报阳台，今年寄书重相催。至治之世，其民不好空言虚辞，不好淫辞流说。至治之世，士在公孤；小康之世，士在僚采；倾危之世，士在游寓；乱亡之世，士在阿谷。至治之国，君若桴，臣若鼓。至治之时，常不忘于武备。至治馨香，感于神明。輻輾輾輿轀轂轂轅轆轉