吐故纳新

lit. to breathe out stale air and breathe in fresh (idiom, from Zhuangzi 莊子|庄子[Zhuang1 zi3]); fig. to get rid of the old and bring in the new

to spit / to send out (silk from a silkworm, bolls from cotton flowers etc) / to say / to pour out (one's grievances)

to vomit / to throw up

happening / instance / reason / cause / intentional / former / old / friend / therefore / hence / (of people) to die, dead

surname Na

to receive / to accept / to enjoy / to bring into / to pay (tax etc) / nano- (one billionth) / to reinforce sole of shoes or stockings by close sewing

to accept the new / to take fresh (air) / fig. to accept new members (to reinvigorate the party) / new blood

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

new / newly / meso- (chemistry)