half dozen 都是半打的意思,half a dozen可以作为程度副词。【单词详情】dozen英 ['dʌz(ə)n]美 ['dʌzn]n.十二个，一打adj.一打的【短语】rounddozen 整打dozenoff 打瞌睡【例句】The room waswelllighted by a dozen windows. 这个房间有十来扇窗户，采光甚佳。

We painted together everyday. He presented me with halfa dozen of his works, which aregoingto be in theexhibition. 我们每天一起画画，他给我看了半打他的画作，这些从未公诸于世过的作品，将会在这次画展中展出。