/əˈʃɔ:(r) ||; əˈʃυr/verb[T] 1 to promise sb that sth will certainly happen or be true, especially if he/she is worried 保证；担保；承诺: I assure you that it is perfectly safe. 我向你保证绝对安全。Let me assure you of my full support. 我保证全力支持你。
2 to make sth sure or certain 确定；肯定；确保: The success of the new product assured the survival of the company. 新产品的成功确保了那家公司能生存下去。