磕头碰脑kē tóu pèng nǎo四字成语 · 部首 石释义形容人多而相挤磕碰,或东西多而处处碰人。词语翻译(1) [bump against things on every side;push and bump against one another]∶指人多、东西多互相挤碰上一条磕头礼拜下一条磕头如捣