be bound to do:一定做某事
【典型例句1】Her decision to cancel the concert is bound to disappoint her fans.
她決定取消這場音樂會,肯定會使她的歌迷失望。
【典型例句2】These changes are bound to have widespread social ramifications.
這些變化注定會造成許多難以預料的社會后果。
no doubt:無疑地,很可能地
【典型例句1】There's no doubt about her suitability for the job.
毫無疑問,她適合這項工作。
【典型例句2】Judging from his tone, there's no doubt he is against it.
聽他的話音,便知他是反對的。