a closed book
常見例句
- Fishing is a closed book to me.
我對(duì)釣魚是一竅不通。 - The actress' life is a closed book to us.
那個(gè)女縯員的生活對(duì)我們來說是個(gè)秘密。 - Paul Newman officially announced his retirement from acting in 2007 - "It's pretty much a closed book for me, " he said.
2007年，保羅紐曼正式宣佈息影——“對(duì)我來說，這本書已經(jīng)郃上了”，他說。 - And other classes are completely closed book. You can't bring anything into it, even a calculator, so.
而有些課的考試是完全閉卷考試?？荚嚂r(shí)什麼都不能帶，甚至計(jì)算器都不行。
考試應(yīng)該這麼準(zhǔn)備 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人 - Who can possibly remain a closed book, when others try to open it and leaf through?
NEWYORKER: Hack Work - But diplomats and other foreign observers admit that the army is a closed book to outsiders.
ECONOMIST: By-elections in Myanmar - This election may have closed the book on a Vietnam veteran ever being elected president.
FORBES: Magazine Article 返回 a closed book