澈查

chèchá
variant of 彻查 chèchá

CEDICT

澈底追查、根究。

重編國語辭典

Entry Composition

1 澈 chè
  1. clear (water)
  2. thorough
2 查 chá
  1. to research
  2. to check
  3. to investigate
  4. to examine
  5. to refer to
  6. to look up (e.g. a word in a dictionary)