光明正大 guāng míng zhèng dà

DEFINITIONS

  1. (of a person) honorable
  2. not devious
  3. (of a behavior) fair and aboveboard
  4. without tricks
  5. openly
  6. (of a situation) out in the open

CHARACTERS

光 guāng light, brilliant, shine; only
明 míng bright, light, brilliant; clear
正 zhèng right, proper, correct
大 dà big, great, vast, large, high