Đồng nghĩa của closed book

Alternative for closed book

closed book /'klouzd'buk/

danh từ
- điều biết rất ít, điều mù tịt
  - nuclear physics is a closed_book to me: vật lý nguyên tử là điều mù tịt đối với tôi

Danh từ

Something that is difficult or impossible to understand or explain

conundrum puzzle enigma mystery riddle secret puzzlement mystification why head-scratcher poser problem stumper question teaser stickler perplexity twister tough nut to crack paradox puzzler cryptogram crux charade brainteaser quandary dilemma brain-teaser difficulty challenge cliffhanger grabber sphinx rebus rune abstruseness sixty-four-thousand-dollar question braintwister mind-boggler bewilderment question mark sixty-four dollar question unsolved problem inscrutability oracle chiller whodunit subtlety occult thriller secrecy inscrutableness mindboggler complexity mind-twister intricacy complication roun abstrusity cruncher facer anybody's guess anyone's guess tough one difficult question vexed question obscurity fix how-do-you-do snarl can of worms involvement inextricability obfuscation uphill knotty problem knot parable sticker koan a closed book Gordian knot maze knotty question entanglement doubt strait distraction predicament confusion brain-twister tough proposition plight embarrassment Chinese puzzle labyrinth convolution complicacy web tangle trickiness chaos complexness complicatedness knottiness imbroglio toughie awkward problem hard nut to crack tortuousness convolutedness inexplicableness mystique turn twist mess muddle mesh magic jungle difficult proposition depth mysteriousness profundity incomprehensibility esotericism vagueness net sophistication reconditeness arcaneness deepness occultness morass hardness intricateness mire skein awkwardness difficultness elaborateness disarray involution involvedness

Danh từ

Something that is kept or meant to be kept unknown or unseen by others

secret confidence confidential matter classified information confidential information private affair privileged information skeleton in cupboard skeleton in the cupboard intimacy confidentiality

Từ gần nghĩa

closed books closed cadence closed circle closed-circuit television closed-circuit televisions closed compound closed at one end closed around closed a deal closed close-cut close-cropped

Trái nghĩa của closed book

An closed book synonym dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with closed book, allowing users to choose the best word for their specific context. Cùng học tiếng anh với từ điển Từ đồng nghĩa, cách dùng từ tương tự, Đồng nghĩa của closed book

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