Phrase
be bound to
phrase
肯定，必然，注定
Used to say that something is certain or very likely to happen.
保证做某事，有义务做某事；肯定；必然
In use
With such a strong team, they are bound to win the championship.
If you keep practicing, you are bound to improve your English.
He is bound to finish the report by Friday because he promised his boss.
be bound to do sth
表示必然性或义务，主语可以是人或物。
With his talent, he is bound to succeed.
以他的才华，他肯定会成功。
be bound to have done sth
表示对过去情况肯定推测。
She is bound to have arrived by now.
她现在肯定已经到了。
Common mistakes
He is bound to New York.He is bound for New York.
be bound to 用于表示“必然、注定”，而表示“前往某地”要用 be bound for。
He is bound not to fail.He is not bound to fail.
be bound to 的否定形式是 be not bound to，表示“不一定”，而非加 not 在 to 前表示“一定不”。
Connections
Confusing words
- be supposed to
- 应该，被期望 · be supposed to 表示按计划或预期应该做某事，而 be bound to 强调必然或强烈的义务
- be likely to
- 可能 · be likely to 表示可能性，而 be bound to 表示几乎确定或注定
- be certain to
- 肯定，一定 · be certain to 和 be bound to 都表示确定性，但 be bound to 更口语化且常带有主观色彩
Learner notes
Grammar Note
后接动词原形
Dictionary facts from ECDICT.