blind trust

Translations
слепое доверие
He put his blind trust in the wrong people.
Он слепо доверял не тем людям.
Definitions
A situation in which one person or party relies completely on another without questioning or verifying their actions, decisions, or intentions; also, a legal arrangement where an individual’s assets are managed by a third party without the individual’s knowledge of how those assets are handled, often to avoid conflicts of interest.
Words
blind

adjective
слепое
trust

noun
доверие