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| 词汇 | hard at it |
| 释义 | hard at it adjective very busy, especially when engaged on a particular task UK, 1749hard at itWorking diligently. I've been trying to get him to do his book report all day, so if he's hard at it, please don't interrupt him. hard at itbusily working. informal 1997 Independent I leave home…just after 6 a.m. each day and I'm hard at it by 7.30. |
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