tough nut

常见例句

双语例句

• But embedded computing is a tough nut to crack.
  但嵌入式计算是一块难啃的硬骨头。
• There are some promising drugs in the pipeline. But it's been a really tough nut to crack.
  有一些前景不错的药品已经在研发之中，但要真正实现确实还很不容易。
• Actually, this article is a compilation of my experience of what works and what doesn't work in the world of love, at least for me. Love is a tough nut to crack.
  实际上这篇文章只是我的经验总结，关于在爱情世界里什么有用什么没用——至少对我来说。

权威例句

• Now for the tough nut: ideas for a new, more profitable line of business.
  FORBES: Survivor
• All the same, Florida looks a tough nut to crack for any Democrat.
  ECONOMIST: Two big ’gators pounding away The
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