This is the 8773rd most frequent Korean word.
감당하지
"감당하지" means "to handle" or "to manage" something.
Here, '감당하지 못했습니다' means 'couldn't handle or deal with'. It describes the inability to manage or endure the situation.
그는 그 어려운 상황을 감당하지 못했습니다.
He couldn't cope with the tough situation.
In this sentence, '감당하지 않고' implies 'not taking responsibility' for her actions.
그녀는 자신의 실수를 감당하지 않고 도망쳤습니다.
She didn't take responsibility for her mistake and ran away.
Here, '감당하지 말고' suggests avoiding taking on the burden and opting for finding a resolution directly.