feeling happy and also slightly sad when you think about things that happened in the past

Talking about our old family holidays has made me feel all nostalgic. 谈起过去我们全家一起度假的日子，我不禁产生了怀旧之情。

We'll take a nostalgic look at the musical hits of the 60s. 我们来回顾一下上个世纪60年代轰动一时的音乐。