過か信しん

noun, noun or participle which takes 'suru', transitive verb

overconfidence; excessive trust; overestimation

Used for putting too much faith in a person, ability, system, or information, often leading to negative consequences. Common in warnings and self-reflection.

• 自じ分ぶんの体たい力りょくを過か信しんしてはいけない。

  Don't overestimate your physical strength.

• 彼かれは自じ分ぶんの記き憶おく力りょくを過か信しんしすぎた。

  He trusted his memory too much.