英语单词“a closed book”的翻译、意思、用法、释义-英汉词典

单词	a closed book
释义	a closed book1.■完全不懂的学科；尚未揭开的秘密，不为人所知的事，无法理解的事(或人)；高深莫测的事物；谜
随便看	self-exaltation self-exalting self-exaltingly self-examination self-examining self-excitation self-excite self-excited self-excited generator self-excited oscillator self-excited vibration self-exciter self-exciting self-excusing self-executing self-exile self-exiled self-existence self-existent self-explaining self-exploration self-exposure self-expression self-expressive self-faced 又醉闽溪酒，因沾谢履苔应怜贵公了，索句久巡檐谁念沧江上，风柔采白苹伯兄与邱嫂，净土必相逢徕儿云：我不眼花隆寒道路诚难当山中夜半风雨来，板扉竹户如人开绿野色随鸠杖底，白云影到鹖冠前高才更难及，淮海一髯秦嘘灰然微红，横铛水煎活甲辰春作月登击空亭怀前令倪绍江·其二子规啼衢州杂兴二首肃迈三章法富户雷轮远旷