更新

更新	gēng xīn	to replace the old with new / to renew / to renovate / to upgrade / to update / to regenerate
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
新	Xīn	abbr. for Xinjiang 新疆 / abbr. for Singapore 新加坡 / surname Xin
新	xīn	new / newly / meso- (chemistry)