英语短语词组词汇be hard at的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	be hard at
释义	be hard at努力从事;努力做：We are in duty bound to be hard at our work no matter what work we are engaged in.无论我们做什么工作，我们都有责任把它努力做好。
随便看	orphanizes orphanizing orphans' court orphan virus orpharion orpharions Orphean Orpheus Orphic Orphically Orphism orphisms Orphist orphists orphrey orphreyed orphreys orpiment orpiments orpine orpines Orpington Orpingtons orra or rather

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