have a bee in your bonnet (about something)

成語所屬單字bee

have a bee in your bonnet (about something) — 慣用語

1. To talk or think about something constantly because you consider it very importa

1.慣用語
釋義

對某事耿耿於懷

To talk or think about something constantly because you consider it very important.

例句

Aiden has a bee in his bonnet about recycling.

Why does she have a bee in her bonnet about punctuality?