To perform the ritual of three kneelings and nine kowtows; to show utmost reverence and deference.
为了表达对长辈的最高敬意，年轻人在祭祖仪式上虔诚地行了三跪九叩之礼
To show utmost respect to their elders, the young generation devoutly performed the ritual of three kneels and nine kowtows during the ancestral worship ceremony.
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