天昏地暗 tiān hūn dì àn

DEFINITIONS

  1. pitch-dark; completely dark

CHARACTERS

天 tiān
HSK 1
sky, heaven; god, celestial
昏 hūn
HSK 6
dusk, nightfall, twilight, dark
地 dì
HSK 3
earth; soil, ground; region
暗 àn
HSK 5
dark; obscure; in secret, covert