This sentence means: shiny on the surface, dirty on the inside. This sentence satirizes the superficial scenery of life, but can't bear to look straight at the heart.
Gorgeous robes: a metaphor for the scenery of life. It is covered with lice: a metaphor for the inner essence of life (the inner quality of people, the actual execution of affairs, etc. ); Lice is a metaphor for dross, disgusting personality and despicable behavior. Everyone doesn't like lice, but everyone likes gorgeous robes.
This sentence comes from Zhang Ailing's dream of genius.
Anecdotal works
In order to commemorate the third anniversary of its founding,1September, 939, the 37th issue of Shanghai West Wind Magazine published an essay notice with the title "My ...", stipulating that "anyone who is worth remembering can publish" and demanding that "the content should be realistic, the subject matter should be substantial and touching". 18 years old, Zhang Ailing wrote an application of 1300 words for my genius dream. Although this article is not as old as Zhang's later works, exact wording has begun to appear, such as the last sentence "Life is a gorgeous robe full of fleas", which has become a well-known saying for adults.