英语词汇a tough nut to crack怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	a tough nut to crack
释义	a tough nut to crack informal a difficult problem or an opponent hard to beat 〈非正式〉难以解决的问题; 棘手的事情; 劲敌。 See main entry:nut
随便看	run its course runlet run low runnable runnel runner runner bean runner-up runnier runniest running running about like a headless chicken running back running battle running belay running-board running commentary running dog running fix running gear running head running knot running lights running mate running pine

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。