英语词汇“a tough (or hard) nut to crack”的翻译、意思、用法、释义-英汉双解词典-礼仪网

单词	a tough (or hard) nut to crack
释义	请查阅词条：nut
随便看	compliance compliance officer compliance with compliancies compliancy compliant compliantly compliantly compliant with compliant with complicable complicate complicated complicated complicatedly complicatedly complicatedness complicatedness complicatednesses complicateness complicates complicating complicating complication complications 团练团结团聚团脐团购团队团队精神团音团鱼团𪢮 Härteprozeß Härteprüfautomat Härteprüfer Härteprüfgerät Härteprüfmaschine Härteprüfung Härteprüfung Härteprüfungsvornehmen Härteprüfverfahren Härtepulver