hassle (someone) over (something)

Translations
докучать (кому-то) из-за (чего-то)
She really doesn't want to hassle him over the small details.
Она действительно не хочет докучать ему из-за мелких деталей.
Definitions
To repeatedly bother, annoy, or pressure someone about a particular issue or topic, often in a persistent or nagging way.