释义 |
DictionarySeehardhard at it
hard 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.See also: hardhard at it busily working. informal 1997 Independent I leave home…just after 6 a.m. each day and I'm hard at it by 7.30. See also: hard |