verb🔗Share保証する、確約するTo make a pledge to (someone); to promise, guarantee (someone of something); to assure."My teacher ensured me that I would pass the test if I studied hard. "先生は、私が一生懸命勉強すれば試験に合格すると保証してくれました。communicationbusinesslawessentialieltstoeicChat with AIVocabulary GamePractice Reading
verb🔗Share確実にする、保証する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。outcomeconditionbusinessachievementplanessentialieltstoeicChat with AIVocabulary GamePractice Reading
