Inadvertent friends: If it is not explained by idioms, the friends you make have bad conduct, etc., all of them may be implicated. It is best to be with an impulsive person and fight with others. As a friend, you can't help, but the consequences may not be yours to bear. Or his hobby does not meet the requirements of normal society, and it is easy to be taken to the ditch with him.

Meet the bad guy: refers to a woman who marries her husband with poor quality. Quoted from The Book of Songs Feng Wang Zhong Gu You Heng: "When a woman divorces, it is noisy. It's screaming, and you won't be embarrassed when you meet someone. " Now generally refers to the bad guys you make.