常見例句雙語例句eg: It is a tough nut for him to crack.這對他而言是一個難題。My new boss is a tough nut to crack. I never know if he's pleased with my work.我的新老板是個很難相処的人。我永遠(yuǎn)也不知道他是否對我的工作滿意。So I think Iran is always going to be a tough nut to crack, but I think it is worth a try.另外，他們剛剛發(fā)射了第一顆衛(wèi)星。因此我認(rèn)爲(wèi)，伊朗和以前一樣，還是一顆硬釘子，不過值得去努力。權(quán)威例句All the same, Florida looks a tough nut to crack for any Democrat.ECONOMIST: Two big ’gators pounding away TheAlthough it is a tough nut to crack, Pakistan is poor because the military is rich and in power and until that changes it is pointless to expect better days.ECONOMIST: Mulling Musharraf 返回 tough nut to crack