英语短语词组词汇a tough（或 hard） nut to crack的音标、释义、翻译、用法及例句-英语短语词组词典

短语	a tough（或 hard） nut to crack
释义	a tough（或 hard） 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。
随便看	routeing route locking routeman routemarch routemarches routemen router route step route survey route surveying routeway routeways Routh-Hurwitz criterion Routh's rule of inertia routine routine accounting function routine car routine desk work routineer routine library routinely routine test routine tester routing routing indicator

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。