Ajoien.阿茹瓦(地区)(在瑞士)aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号a private secretary私人秘书a squirt of perfume喷出的一股香水a mere navvy's workA woman's breast.a heartfelt apology真诚的道歉A wintry welcome.冷漠的欢迎a geological survey地质勘察a domiciliary visit住所搜查a host of ...许多a den of thieves.贼窝

1. I asked her for the money, but she was a tough nut to crack and I went away without it.
   我向她要钱，但她这个人很难对付，因此我空手而归。
2. The final exam was a tough nut.
   毕业考试不好对付。
3. She's a tough nut to crack; I don't think she'll give us permission.
   她这个人不好说话，我想她不会答应我们的。