certify

認定する、認証する

人や物が必要な基準を満たしていると正式に認めること。

やさしい英語で： To confirm officially that someone or something meets a required standard.

• They certify organic farms.
• The blankets were certified as fireproof.
• Is she certified to teach this course?

使い方： certify someone/something as something (The board certified her as a diving instructor.); be certified to do something (He is certified to inspect electrical equipment.)

類義語： accredit, approve

よく使う表現： certify a product, certify someone as, certify something organic

証明する

あることが事実または正しいと正式に示すこと。

やさしい英語で： To state officially that something is true or correct.

• Please certify this copy.
• The doctor certified that he was unable to work.
• A witness must certify the signature as genuine.

使い方： certify that + clause (The doctor certified that she was fit to travel.); certify something as something (The clerk certified the copy as genuine.)

類義語： attest, confirm

よく使う表現： certify a copy, certify that something, certify something true