压肩叠背

Explanation: Refers to the large number of people-intensive. 　　Source: "Outlaws of the Marsh" to see forty people back to River state capital, Zhennai stack pressure shoulder and back, far more than twelve thousand. " Thesaurus:  Aijiandiebei, Suffer shoulder Cabei, Aijiancabang, Aijianbingzu, Aijiandiebei, Yajiandiebei