be bound to，v.一定要;决心;

例句

It's a film that examines what it means to be bound to another person.

这部电影检视了被另一个人束缚住意味着什么。

be doomed to，注定;注定要;命中注定;

例句

He knew that if he lived, he would be doomed to spend the war as a prisoner.

他知道如果他活下来，他将注定以战俘的身份度过战争。