Open back to kill, network words.
Interpretation: The back is beautiful, "killing" many people, but there will also be a mismatch between the back and the front. Some people just have this magic. Just a back can fascinate people. No matter what they do, just a back can arouse people's infinite association. This situation is called "back killing" by netizens. In fact, many people who take the blame are some funny misunderstandings in life, which make people laugh. There is no real meaning of praise or blame, just entertaining the public.