大天白日

dàtiānbáirì
  1. (dialectal Mandarin) daytime
  2. daytime
  3. in broad daylight

Wiktionary

Entry Composition

=1 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)
=1 大 dài see 大夫 dàifu
2 天 tiān
  1. day
  2. sky
  3. heaven
3 白日 báirì
  1. daytime
  2. sun
  3. time