[jiān mó zhǒng jiē]   

肩    摩    踵    接    肩碰肩，脚连脚。形容人很多，很拥挤。

Rubbing the shoulder and following the steps

肩摩毂接    肩劳任怨    肩摩袂接    肩摩毂击    肩摩踵接