Correct

国故

/ guó gù /
Strokes

Example

As a Noun

(traditional) Chinese culture and learning; Chinese cultural heritage

1
Zhěng
整理
guó
国故

sort out Chinese cultural heritage

2
Yánjiū
研究
guó
国故

study our national cultural heritage

As a Noun

national calamity [such as wars, disasters, plagues, etc]