FAQs About the word closed books

閉卷考試

something beyond comprehension

奥秘,謎題,秘密,挑戰,難題,謎團,傷腦筋的問題,問題,神秘事物,問題

No antonyms found.

closed (off) => 關閉的, closed (down) => 關閉 (向下), close ranks => 緊密團結, close one's eyes to => 對......視而不見, close one's doors to => 將大門關閉,