冷酷无情地 meaning in English

in a callous way
unfavourably badly unpleasantly or cruelly

An assassin grimly carries his mission through the jostle of a carnival .
一个行刺的人趁着狂欢节的熙熙攘攘，冷酷无情地去执行任务。
He was relentless in demanding repayment of the debt
他冷酷无情地要求偿还那笔债。
He was so cruel he would have killed his own mother in cold blood
他是个极残酷的人，甚至都可以冷酷无情地杀死亲娘。
The idea that both her sons were at the war , that they had both escaped from under her wing , that any day either of themand possibly even both at once , like the three sons of a lady of her acquaintancemight be killed , seemed for the first time that summer to strike her imagination with cruel vividness
他那两个儿子从军打仗，双双从她羽翼下飞走，今天或明天其中一个，也可能两个一阵亡，就像她一个朋友的三个儿子那样，这个想法，在这年夏天，第一次冷酷无情地清清楚楚呈现在她的脑际。