As the CFO of Macy's put it recently, " We're frankly scratching our heads."
2019年6月六级真题（第一套）阅读 Section B
If you've ever started a sentence with, "If I were you…" or found yourself scratching your head at a colleague's agony over a decision when the answer is crystal-clear, there's a scientific reason behind it.
2018年6月六级真题（第三套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
VERB
给…搔痒;给…挠痒
If you scratch yourself, you rub your fingernails against your skin because it is itching.