亲娘

tā shì gè jí cán kù de rén shèn zhì dōu kě yǐ lěng kù wú qíng dì shā sǐ qīn niáng

他是个极残酷的人，甚至都可以冷酷无情地杀死亲娘。

He was so cruel he would have killed his own mother in cold blood.