Conditions for the establishment of the eight characters of tiger whistling and dragon singing

The pattern of "Long Yin Hu Xiao" refers to the dragon and tiger in the eight characters.

_ Common apricot diarrhea _ ⒛⒛⒛ 9 I am proud of you. Do you forgive me?

_ I haven't seen Xiao Xinting's passage, and I'm sorry I didn't win the first prize. _ I'm sorry for my failure.