Chinese
の adjective
中国 is China, right? That's what this 中 represents. And, of course the Chinese are known for being super showy, which is why you have showy there.
ちゅうか
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
中華料理が食べたい気分だ。今夜一緒に中華食べに行かないか？
I’m in the mood for Chinese. Do you want to go out to eat Chinese with me tonight?