Good old John: you can always count on him to help.老好人约翰：你永远都可以期望他帮你。

I don't need fancy shoes. I prefer good old sneakers.我不需要花哨的鞋子。我更喜欢穿我舒适的旧运动鞋。

They were talking about the good old days. [=happy times in the past]他们在谈论过去的美好时光。