at the back of your mind

US /æt ðə bæk əv jʊər maɪnd/
UK /æt ðə bæk əv jʊər maɪnd/
"at the back of your mind" picture
1.

en el fondo de la mente, en el subconsciente

a thought or worry that you have but that you are not thinking about consciously

:
The thought of the upcoming exam was always at the back of her mind.
La idea del próximo examen siempre estaba en el fondo de su mente.
He had a nagging feeling at the back of his mind that he had forgotten something important.
Tenía una sensación persistente en el fondo de su mente de que había olvidado algo importante.