FAQs About the word closed book

閉卷

something that baffles understanding and cannot be explained

神秘,挑戰,難題,謎題,頭疼,問題,神秘化,難題,困惑,謎語

No antonyms found.

closed => 關閉, close-bodied => 緊身, close-barred => 封閉的, close-banded => 近距離的, close up => 特写,