have a bee in your bonnet
US /hæv ə bi ɪn jʊər ˈbɑːnɪt/
UK /hæv ə bi ɪn jʊər ˈbɑːnɪt/

1.
tener una abeja en el gorro, estar obsesionado
to keep talking about something again and again because you think it is very important
:
•
She really has a bee in her bonnet about recycling.
Ella realmente tiene una abeja en su gorro sobre el reciclaje.
•
He's always got a bee in his bonnet about punctuality.
Él siempre tiene una abeja en su gorro sobre la puntualidad.