倒塌

dǎotā
  1. to collapse (of building)
  2. to topple over

CEDICT

Entry Composition

1 倒 dǎo
  1. to fall; to collapse; to lie horizontally
  2. to fail; to go bankrupt
  3. to overthrow
  4. to change (trains or buses)
  5. to move around
  6. to resell at a profit
2 塌 tā
  1. to collapse
  2. to droop
  3. to settle down