哎呀

āiyā
interjection of wonder, shock or admiration

CEDICT

Entry Composition

1 哎 āi
  1. hey!
  2. (interjection used to attract attention or to express surprise or disapprobation)
=2 呀 yā
  1. ah (used to express surprise)
  2. (onom.) creaking
=2 呀 ya (particle equivalent to 啊 after a vowel, expressing surprise or doubt)