句意：书架做好了。Done with the bookcase! 省略了主语“I”和助动词“have”，口语中常可这样用，有时也可保留have。

Have done with your foolish sophism. 结束你那愚蠢的诡辩。

▲have done with表“处理；完成”例如：

Please go home as soon as you have done with you work. 工作一结束,请马上回家。

Tom keeps asking me for an opinion on his book so I'd better read it and have done with it. 汤姆一再就他那本书征求我的意见,所以我最好把它读完。