remorselessly
adv. 冷酷地；无悔意地
近义词：mercilessly，ruthlessly，coldly，cruelly，unfeelingly，brutally，relentlessly，unremittingly，implacably，indefatigably，persistently，constantly，inexorably，unmercifully，pitilessly，
英英释义
Adverb
- without pity; in a merciless manner;
"he was mercilessly trounced by his opponent in the House"