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Jyutping cang4 ging1 cong1 hoi2
Pinyin céng jīng cāng hǎi

Definitions (CC-CEDICT)
  1. lit. having crossed the vast ocean (idiom)
  2. fig. widely experienced in the vicissitudes of life
Definitions (粵典–words.hk)
  1. 語句
    比喻​經歷過​各種​波折​、​變遷
    widely experienced in the vicissitudes of life; literally: having crossed the vast ocean
Definitions (Wiktionary)
  1. phrase, idiomatic
    been there, done that
    (syn.) 曾經滄海難為水, 曾经沧海难为水
Examples (Wiktionary)
  1. Mandarin
    曾经沧海难为水亚洲首富李兆基徘徊于房地产陷阱
    曾經滄海難為水亞洲首富李兆基徘徊於房地產陷阱
    céng jīng cāng hǎi nán wèi shuǐ yà zhōu shǒu fù lǐ zhào jī pái huái yú fáng dì chǎn xiàn jǐng
    • Been there, done that ... Asia's richest man, Li Zhaoji, avoids being sucked into the real estate