The original sentence of "Only food can live up to it" is: Only food and love can live up to it. The sound of disappointment is Gū Fī, which means to lose, make others or themselves disappointed in themselves or others, and violate others' kindness and hopes.

"Fail to live up to" Example:

1. We must live up to the expectations of teachers and parents, study hard and make progress every day.

2. He didn't live up to his parents' expectations and finally got into this famous university.

3. I must study hard and live up to my teacher's teaching.