非……才…… [－－－－－－]

Jyutping fei1 … … coi4 … …
Pinyin fēi ． ． ． cái ． ． ．

Definitions (Wiktionary)
  1. phrase, idiomatic
    must; should; it is necessary or imperative
    • 非得做才行
      非得做才行
      fēi děi zuò cái xíng
      It must be done