用in a nutshell表达“简单地说”

短语in a nutshell的意思是简言之、简单的说。常用在总结报告消息的语境中。

• You haven‘t studied hard enough and did badly in your exams. In a nutshell, you‘ll have to sit this year‘s class again next year.
• Our company didn‘t sell much and the economy is doing badly. In a nutshell, we are out of business.

值得注意的是，单词 nuts 可用来形容某人疯了或过于大胆。

• Do you intend to cross the Atlantic Ocean in a kayak? You are nuts!