挨肩叠背

Explanation: Described the crowd 　　Usage: Joint type; as the predicate attribute; described scenes of people crowded 　　Source: Ming Feng Meng, "Awaken the common saying Erlang survey documents boots": "suffer the day to see the back of the shoulder fold." Thesaurus:  Aijiandiebei, Suffer shoulder Cabei, Aijiancabang, Aijianbingzu, Yajiandiebei, Yajiandiebei