こんなんをきわめ
Meanings
Expression
Verb (1-dan)
1. to be extremely difficult; to present a major challenge
Composed of
difficulty; hardship; trouble; infeasibility; inability (to carry out)
to carry to extremes; to go to the end of something; to investigate thoroughly; to master
Examples (1 in total)
It goes without saying that it was supremely difficult to carry out this mission.