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Jyutping zaak6 zyu2 ji4 si6
Pinyin zé zhǔ ér shì

Definitions (Wiktionary)
  1. phrase, idiomatic
    to choose a talented and wise lord under which to serve
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    良禽择木而栖,贤臣择主而事。
    良禽擇木而棲,賢臣擇主而事。
    liáng qín zé mù ér qī , xián chén zé zhǔ ér shì 。
    • A prudent bird chooses its tree. A wise servant chooses his master.