唱喏

唱喏	chàng nuò	to answer respectfully "yes"
唱喏	chàng rě	(old) to bow and utter polite phrases / to open the way (for a dignitary etc)
唱	chàng	to sing / to call loudly / to chant
喏	nuò	(indicating agreement) yes / all right / (drawing attention to) look! / here! / variant of 诺
喏	rě	to salute / make one's curtsy