啞仔申冤，無話可說 (aa2 zai2 san1 jyun1, mou4 waa6 ho2 syut3) — when a mute seeks to redress an injustice, he is but speechless; to be lost for words when one seeks to defend himself in Cantonese
aaˊ²啞zaiˊ²仔sanˉ¹申jyun1,冤，mouˎ₄無waaˍ₆話hoˊ²可syut˗₃說简 哑仔申冤，无话可说
Mandarin Pinyin: ya3 zai3 shen1 yuan1, wu2 hua4 ke3 shuo1
Meaning of 啞仔申冤，無話可說
nounwhen a mute seeks to redress an injustice, he is but speechless; to be lost for words when one seeks to defend himself