曾經滄海

lit. having crossed the vast ocean (idiom) / fig. widely experienced in the vicissitudes of life

surname Zeng

once / already / ever (in the past) / former / previously / (past tense marker used before verb or clause)

great- (grandfather, grandchild etc)

once / already / former / previously / ever / (past tense marker used before verb or clause)

surname Jing

classics / sacred book / scripture / to pass through / to undergo / to bear / to endure / warp (textile) / longitude / menstruation / channel (TCM) / abbr. for economics 經濟|经济[jing1 ji4]

blue-green or azure (of water) / vast (of water) / cold

surname Hai

ocean / sea / CL:個|个[ge4],片[pian4] / great number of people or things / (dialect) numerous

there are no rivers to one who has crossed the ocean, and no clouds to one who has passed Mount Wu (idiom) / one who has seen the world doesn't stop at small things