英语词组be hard at it是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	be hard at it
释义	●be hard ˈat itbe working hard 努力工作◆She’s been hard at it all day. 她一整天都在努力工作。◆When I left at six, he was still hard at it. 我六点钟走的时候，他还在埋头干活。 OPP take it/things easy
随便看	Greek green green about the gills greener green-eyed green fingers green with envy greetings grey grey matter grey suits grief grim grin grin and bear it grind grindstone grind to a halt grind to a halt/standstill grind to a standstill grin from ear to ear grin like a Cheshire cat grip grips grist

英语词组固定搭配大全包含20132条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。