他辜负了父母的期望。

He failed to live up to his parents' expectations.

《牛津词典》

他深深感到自己辜负了父母的期望。

He became acutely conscious of having failed his parents.

《牛津词典》

他辜负了朋友们的期望。

He did not answer the expectations of his friends.

《新英汉大辞典》

If my advice is lost in the wind and you do not do as I wish, I do not recognize you as my son."

如果你辜负了我对你的期望,胆敢把我的话当耳边风,我就绝不认你这个儿子"

耶鲁公开课 - 欧洲文明课程节选