as·sur·ance/ə`ʃrəns; əˈʃʊərəns/ n 1 [C] a definite statement or promise 保证: + that He gave me a firm assurance that there would be no further delays. 他坚决向我保证不会再有耽搁。 2 [U] confidence in your own abilities; SELF-ASSURANCE 自信，把握: Cindy answered their questions with quiet assurance. 仙迪平静且自信地回答了他们的问题。