a noble heart的用法和样例：
- "He possesses a noble heart, madame," replied the count, "and he has acted rightly.
- You may but speak a word to a child, and in that child there may be slumbering a noble heart which shall stir the Christian church in years to come.
- He acted a noble outlaw in the play.
- Jim is descended from a noble family.
- It is said that he was from a noble family.
- It was said that he was from a noble family.