Translation of "(someone's) mind boggles" in Russian

Translations

ум заходит за разум

His mind boggles at the thought of how much work is left to do.

У него ум заходит за разум от мысли о том, сколько работы осталось сделать.

Definitions

This phrase means that someone is extremely surprised, confused, or amazed by something, often because it is difficult to understand or believe.

Words