Translation of "boredom" into Korean

My father used to tell me that boredom indicates a lack of inner resources.

할아버지는 내게 지루한 시간을 수양하는데 쓰라고 하셨지

One was expecting a new enthusiasm only to end up, too often, in boredom and discouragement.

기대하던 새로운 열정은 너무도 흔히 권태와 낙담으로 끝날 뿐이었다.