除舊更新

to replace the old with new (idiom)

to get rid of / to remove / to exclude / to eliminate / to wipe out / to divide / except / not including

old / opposite: new 新 / former / worn (with age)

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)

more / even more / further / still / still more

to replace the old with new / to renew / to renovate / to upgrade / to update / to regenerate

abbr. for Xinjiang 新疆[Xin1 jiang1] or Singapore 新加坡[Xin1 jia1 po1] / surname Xin

new / newly / meso- (chemistry)