bù dǒu tà gāng
to worship the astral deities (idiom, refers to Daoist astrology)
步
bù
a step
斗
dǒu
abbr. for the Big Dipper constellation 北斗星[Bei3 dou3 xing1]
踏
tà
to tread
罡
gāng
stars of the Big Dipper that constitute the tail of the dipper
