A closed book is an expression used when you accept something that has completely ended.
Something you don’t understand or know anything about.
A secret, mystery, or puzzle.
1. Today’s meeting is about terminating our project, it’s now a closed book.
2. I can’t figure her out, she’s a closed book to me.
3. Matthew is a closed book which makes it hard for me, as a teacher, to reach out to him.
4. I’m afraid mathematics will always be a closed book to me.
abstruseness, brainteaser, braintwister, charade, chiller, conundrum, crux, difficulty, mindboggler, perplexity, poser, problem, puzzle, puzzlement, question, secrecy, stickler, stumper, subtlety, teaser
To do more harm than good means to have a bad effect rather than a good one. To make a situation worse rather than better. To be damaging rather than helpful. 1. I'm sorry but saying anything at this point may do more harm than good. 2. Her boyfriend is doing more...read more
To do the unthinkable means to do something unexpected. Impossible to imagine; inconceivable. Unreasonable; improbable; not to be considered; out of the question. 1. This store is doing the unthinkable and making their products more affordable. 2. Skateboarding isn't...read more
To drop someone/something like a hot potato means to disassociate oneself with someone or something instantly. To discontinue; to get rid of very quickly. To quickly stop being involved with someone/something. 1. I dropped the idea like a hot potato because my boss...read more