[cán kù]
cruel; brutal; inhuman; ruthless
cruel and fierce
殘酷暴戾
(to subject sb. to) ruthless struggle and relentless attack
殘酷斗爭， 無情打擊
cutthroat competition
殘酷競爭
ruthlessly to persecute sb.
殘酷迫害
rule sb. with a rod of iron; rule with an iron hand
殘酷統治
brutalities of war
戰爭的殘酷
practise cruelty to sb.
殘酷虐待某人