guà
  1. to hang; to suspend (from a hook etc)
  2. to hang up (the phone)
  3. (of a line) to be dead
  4. to be worried; to be concerned
  5. (dialect) to make a phone call
  6. to register (at a hospital); to make an appointment (with a doctor)
  7. (slang) to kill; to die; to be finished; to fail (an exam)
  8. classifier for sets or clusters of objects

CEDICT