+2 = 4

ㄒㄧ

ㄒㄧxī
  1. 歸來招魂)​」、詩經)​」、詩經)​」。
  2. 陸⃝
(particle in old Chinese similar to 啊)​
(English: particle in old Chinese similar to 啊)​
(interjection utilisée en poésie indiquant l'émerveillement)​, Oh!