0 Old HSK word(s):
怀旧感* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

怀 bosom, breast / carry in bosom
旧 old, ancient / former, past
感 feel, perceive, emotion

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual