嗳腐吞酸 ài fǔ tūn suān

DEFINITIONS

  1. putrid belching with regurgitation of stomach acid (medical term)

CHARACTERS

嗳 ài interjection; exclamation
腐 fǔ
HSK 5
rot, decay, spoil; rotten
吞 tūn
HSK 6
swallow; absorb, annex, engulf
酸 suān
HSK 4
tart, sour; acid; stiff; spoiled