at all 1 . 见 all at firstat it 2 . 在从事(应受指责的)活动 at last1. the guy who faked the Hitler diaries is at it again.那个伪造希特勒日记的家伙又在胡编乱写。at least1. the guy who faked the Hitler diaries is at it again.那个伪造希特勒日记的家伙又在胡编乱写。at most1. the guy who faked the Hitler diaries is at it again.那个伪造希特勒日记的家伙又在胡编乱写。at once1. the guy who faked the Hitler diaries is at it again.那个伪造希特勒日记的家伙又在胡编乱写。at that 3 . 而且;此外 not at allwhere it's at 4 . (非正式)时髦的地方(或物品、活动) 习惯用语 at it【非正式用语】 1 . 争论,冲突:口头或身体上的冲突;争论或冲突