【三跪九叩】〖sn guì ji kòu〗[thrice kneeling and nine times bowing; prostrating oneself three times, and knocking one's head on the ground thrice at each prostration]

三牲五鼎祭宗祠，

跪拜虔诚恭作揖。

九烈三贞崇孝敬，

叩钟以莛行重礼。

最敬重的礼节。Most respected of etiquette. 同：顶礼膜拜、打躬作揖。