勘かんぐる

godan verb (-ru), transitive verb

be suspicious of; suspect

Used when you read too much into someone's words or actions, often with a negative or distrustful feeling. Implies overthinking or imagining hidden motives.

• 彼かれは私わたしの親しん切せつを勘かんぐっているようだ。

  He seems to be suspicious of my kindness.

• そんなに勘かんぐらないで、素す直なおに受うけ取とってよ。

  Don't be so suspicious; just take it at face value.