英语词汇“It was then a hard nut to crack”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	It was then a hard nut to crack
释义	It was then a hard nut to crack. 在那时是一桩很棘手的事。
随便看	backward aspects backward association Backward association backward at backward channel capacity backward channel ready backward characteristic line backward child backward circle backward circle monut backward circuit backward class backward classes backwardation back wardation backwardationBK backwardation contango backwardation n backwardation premium backwardations backward attribute backward backwash backward Bakasy tracing backward Bekesy tracing curve backward-bending curves