Definition
A period in the past that is remembered with fondness, often with the belief that life was better during that time.
昔日美好时光
Grandpa always talks about the good old days, saying how simple life was back then.
爷爷总是谈论过去的美好时光，说那时的生活有多么简单。
As we grow older, we might look back on this time as the good old days.
随着我们变老，我们可能会把这段时光视为美好的过去。
They always reminisce about the good old days, lamenting how much everything has changed.
他们总是怀念过去的美好时光，感叹一切都变了。