Interjection. That pain. Also expressed admiration. Mao Dun's "Midnight" 9: "'O my ... ...' Johnson shouted a woman as state land." Hua "Great Gobi Night": "O my, this thing so well!"
Translated by Google
English Expression
n.: "ayo" (the sound uttered when suddenly get hurt), "ayo" (the sound uttered when suddenly get hurt)