挖苦

wākǔ
  1. to speak sarcastically
  2. to make cutting remarks
  3. also pr. wāku

CEDICT

Entry Composition

1 挖 wā
  1. to dig
  2. to excavate
  3. to scoop out
2 苦 kǔ
  1. bitter
  2. hardship
  3. pain
  4. to suffer
  5. to bring suffering to
  6. painstakingly