be sure of (doing) sth to be certain to get something or be certain that something will happen一定会(做)某事; 某事肯定会(发生):•United must beat Liverpool to be sure of winning the championship.曼联队要稳拿冠军就必须打败利物浦队。•You can be sure of one thing – there'll be a lot of laughs.有一点可以肯定 — 将会笑声不断。 |