残酷

cruel; brutal; harsh; ruthless; merciless; grim; severe; fierce; heartless; inhuman; savage; vicious; barbarous; draconian; relentless; pitiless; cold-blooded; unrelenting; unmerciful; sick; mean; remorseless; dastardly; fiendish; oppressive; despicable; repressive; barbaric; bloodthirsty; hard-hearted; callous; unfeeling; unsparing; inexorable; cruelty; brutality; ruthlessness; harshness; savagery; inhumanity; barbarism; horror; cruelly; brutally; harshly; mercilessly; savagely; unmercifully

报复

retaliate; revenge; avenge; pay back; hit back; strike back; take reprisals; get even with; give tit for tat; settle a score; settle accounts; get your own back on; vengeance; payback; retaliation; reprisal; vindictive; retaliatory