on one's mind
She has something else on her mind.
У них было что-то другое на уме.
They had something else on their minds.
Интересно, что было у Тома на уме.
I wonder what Tom had in mind.
Свое собственное удовольствие на уме.
All he has in mind is his own pleasure.
— Эксперимент 2: Волна (2008)
У него было только одно на уме.
He had only one thing on his mind.
Я знаю, что у Тома на уме.
I know what's on Tom's mind.