1、比肩继踵的解释是：比肩继踵bǐjiān-jìzhǒng。(1)肩并肩，脚尖接脚跟，形容人多拥挤。比肩继踵[bǐjiānjìzhǒng]⒈肩并肩，脚尖接脚跟，形容人多拥挤。例齐之临淄三百闾，张袂成阴，挥汗成雨，比肩继踵而在，何为无人？——《晏子春秋·杂下》英cheek-to-jaw;becrowdedcloselytogether;crowdagainstoneanother;walkshouldertoshoulderandfollowinthefootstepsofoneanother。