無患 [无－]

Jyutping mou4 waan6
Pinyin wú huàn

Definitions (Wiktionary)
  1. verb, literary
    to have no worries
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    有备无患。
    有備無患。
    yǒu bèi wú huàn 。
    • Forewarned is forearmed.
Examples (粵典–words.hk)
  1. Cantonese
    考试之前温好书就有备无患啦。
    考試之前温好書就有備無患啦。
    • Revise before exam then you have nothing to worry about.