拼音：cháng jiāng hòu làng cuī qián làng
注音：ㄔㄤˊㄐㄧㄤㄏㄡˋㄌㄤˋㄘㄨㄟㄑㄧㄢˊㄌㄤˋ
解释：比喻事物的不断前进。多指新人新事代替旧人旧事
出处：清·石玉昆《小五义》第108回：“人有什么意思，长江后浪催前浪，一辈新人赶旧人。”
Metaphor: the continuous progress of things. It often refers to new people and new things replacing old people and old things
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