し甲斐 じゃない
shikaijanai
1. Not worth it.; No use.
Noun
#229830
1. Not worth it.; No use.
1. to understand; to comprehend
2. to become clear; to be known
3. I know!; I think so too!
1. internal; domestic
1. another time; again
2. formally; especially
1. Again; Once more