「喪盡天良」

(pos:形容詞)
<explanation>
yue:形容心腸極壞，極殘暴
eng:conscienceless; utterly heartless; devoid of conscience
<eg>
yue:佢為咗錢，連老婆仔女都可以賣，簡直係喪盡天良！ (keoi5 wai6 zo2 cin2, lin4 lou5 po4 zai2 neoi2 dou1 ho2 ji5 maai6, gaan2 zik6 hai6 song3 zeon6 tin1 loeng4!)
eng:He has no conscience, giving up even his own wife and children for money!