东兔西乌 dōng tù xī wū

DEFINITIONS

  1. lit. the sun setting and the moon rising (idiom)
  2. fig. the passage of time

CHARACTERS

东 dōng
HSK 1
east, eastern, eastward
兔 tù
HSK 5
rabbit, hare
西 xī
HSK 1
west(ern); westward, occident
乌 wū
HSK 6
crow, rook, raven; black, dark