She believes that the two crimes are of a piece. [=are very similar]她认为这两起犯罪活动很相似。

We chose these 12 songs for the album because they were all of a piece.我们之所以将这12首歌收入专辑是因为它们风格类似。

This new theory is very much of a piece [=(more commonly) consistent] with their earlier work.这个新理论和他们早先的研究成果非常一致。