snap (someone's) mind

Translations
сломать (чей-то) разум
The constant pressure at work might snap his mind.
Постоянное давление на работе может сломать его разум.
Definitions
To cause someone to lose control of their thoughts or emotions suddenly, often resulting in irrational or extreme behavior; to push someone mentally or emotionally to a breaking point.
Words
mind

noun
ум
snap

verb
щелкать