饱经沧桑[bǎo jīng cāng sāng]
词典have seen much of the changes in human life：饱经沧桑。
词典have been through the vicissitudes of life：饱经沧桑。
词典have experienced many vicissitudes of life：历尽沧桑；饱经沧桑。
饱经沧桑[bǎo jīng cāng sāng]
have seen much of the changes in human life; have been through the vicissitudes of life; have experienced many vicissitudes of life