a feature of the mental life of a living organism

生物の精神的な側面

something immaterial (as a circumstance or influence) that contributes to producing a result

結果を生み出すことに寄与する無形のもの（状況や影響として）

the body of ideas that determine the knowledge that is intellectually certain at any particular time

ある特定の時点で知的に確実とされる知識を決定する概念の集合

that which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason

思考、感情、意識的な脳機能の責任を持つもので、理性の座

a language user's knowledge of words

言語を使う人の単語知識

lack of ability (especially mental ability) to do something

何かを行うための能力（特に精神的能力）の欠如