This is the 9269th most frequent Japanese word.
疑心暗鬼
"疑心暗鬼" means "When suspicion arises, even innocent things seem deceptive."
The phrase '疑心暗鬼' refers to a state of distrust and suspicion towards others.
彼は疑心暗鬼になり、誰にも信用できなくなった。
He became suspicious and could no longer trust anyone.
Here '疑心暗鬼' represents the spread of mutual mistrust among individuals.
疑心暗鬼が広がり、会議の雰囲気が悪くなった。
Suspicion spread, and the atmosphere in the meeting became tense.
The term '疑心暗鬼' is used to describe how suspicion impacts decision-making or receptiveness.