verb🔗Share保証する、約束するTo make a pledge to (someone); to promise, guarantee (someone of something); to assure."The teacher ensured her students that the test would cover only the topics they studied in class. "先生は生徒たちに、テストは授業で勉強した内容のみを扱うと保証しました。businessfinancelawinsuranceChat with AIVocabulary GamePractice Reading
verb🔗Share保証する、確実にするTo make sure or certain of something (usually some future event or condition)."I use an alarm clock to ensure that I get up on time."時間通りに起きられるように、目覚まし時計を使います。outcomeactionconditionplanfutureChat with AIVocabulary GamePractice Reading
