更递

更递	gēng dì	to change / to substitute
更	gēng	to change or replace / to experience / one of the five two-hour periods into which the night was formerly divided / watch (e.g. of a sentry or guard)
更	gèng	more / even more / further / still / still more
递	dì	to hand over; to pass on; to deliver / (bound form) progressively; in the proper order