英语词汇“a hard/tough nut to crack”的翻译、意思、用法、释义-英汉双解词典-DIY生活网

单词	a hard/tough nut to crack
释义	a hard/tough nut to crack a hard/tough nut to crack → a hard/tough nut to crack at nut1(5) a difficult problem or situationa hard/tough nut to crack
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