to kowtow (traditional greeting, esp. to a superior, involving kneeling and pressing one's forehead to the ground)
also written 磕頭|磕头[ke1 tou2]
Definitions (粵典–words.hk)
動詞
東亞嘅傳統禮節,向地位崇高嘅人、物件表示敬意嘅儀式。行禮嘅人雙膝跪地,用個頭碰地下。 to kowtow: to kneel and touch one's forehead to the ground to worship or express gratitude or respect
向祖先叩頭
向祖先叩头
hong3 zou2 sin1 kau3 tau4 to kowtow to the ancestors
Definitions (Wiktionary)
verb
to kowtow; to kneel and bow low enough to touch one's forehead to the ground (syn.) 叩拜, 磕頭, 磕头
verb, figuratively
to act in a very submissive manner