粗心大意

cūxīndàyì
  1. negligent
  2. careless
  3. inadvertent

CEDICT

Entry Composition

1 粗心 cūxīn
  1. careless
  2. thoughtless
=2 大意 dàyì
  1. general idea
  2. main idea
=2 大意 dàyi careless