타인에 대한 동정심이나 가책을 전혀 보이지 않고 매우 모질고 잔인하게.
In a manner that shows no pity, compassion, or remorse for others, often in pursuit of a goal.
예문:
"The company ruthlessly eliminated all competition to dominate the market."
"He ruthlessly criticized his subordinates in front of the entire team."
"The dictator ruthlessly suppressed any form of political dissent."