It means to scratch your head in order to help you remember something you've forgotten.

这意味着你抓耳挠腮以使自己想起你遗忘的东西。

youdao

It means to scratch your head in order to help you remember something you've forgotten.

这意味着你抓耳挠腮以使自己想起你遗忘的东西。

youdao