紙包不住火 [纸－－－－]

Jyutping zi2 baau1 bat1 zyu6 fo2
Pinyin zhǐ bāo bù zhù huǒ

Definitions (CC-CEDICT)
  1. lit. paper can't wrap fire; fig. the truth will out
Definitions (Wiktionary)
  1. proverb, figuratively
    there is no concealing the truth; the truth will come out
    (syn.) 雞春咁密都菢得出崽, 纸包唔住火, 紙包唔住火, 鸡春咁密都菢得出崽