knotty adjective (COMPLICATED)
› informal (of a problem or difficulty) complicated and difficult to solve:
It was a very knotty problem.
(Cambridge Advanced Learner's Dictionary & Thesaurus의 “knotty” 정의 © Cambridge University Press)
(Cambridge Academic Content Dictionary의 “knotty” 정의 © Cambridge University Press)
오늘의 단어
likeable
A likeable person is pleasant and easy to like.