意想不到

yìxiǎngbùdào
  1. unexpected
  2. previously unimagined

CEDICT

Entry Composition

1 意 yì
  1. idea
  2. meaning
  3. thought
  4. to think
  5. wish
  6. desire
  7. intention
  8. to expect
  9. to anticipate
2 想不到 xiǎngbudào
  1. unexpected
  2. hard to imagine
  3. it had not occurred to me
  4. who could have thought that