基本解釋未揭開的秘密；高深莫測(cè)的事物英漢例句雙語例句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。原聲例句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。考試時(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英語口語達(dá)人權(quán)威例句Who can possibly remain a closed book, when others try to open it and leaf through?NEWYORKER: Hack WorkBut diplomats and other foreign observers admit that the army is a closed book to outsiders.ECONOMIST: By-elections in MyanmarThis election may have closed the book on a Vietnam veteran ever being elected president.FORBES: Magazine Articlea closed book更多例句詞組短語短語like a closed book 被迫有趣to be a closed book 意指無法明了的事he 's a closed book 他很自我保護(hù)a closed book更多詞組