贯通

貫通
guàntōng
  1. to link up
  2. to thread together

CEDICT

Entry Composition

1 贯 guàn
  1. to pierce through
  2. to pass through
  3. to be stringed together
  4. string of 1000 cash
2 通 tōng
  1. to go through
  2. to know well
  3. (suffix) expert
  4. to connect
  5. to communicate
  6. open
  7. to clear
  8. classifier for letters, telegrams, phone calls etc