Open the door
It is a metaphor for accepting bad people and making trouble for themselves.
Wang Tao of the Qing Dynasty wrote in the story of the thief Li: "watch the wind, welcome the attachment, bow and open the door Death to evil, such as slaughter dog pig.
"Open the door to the thief" is the same as "open the door to the thief".
Idioms and allusions
[source] Wang Tao's story of the thief Li in the Qing Dynasty: "watch the wind, welcome the attachment, bow and open the door Death to evil accumulation, such as slaughter dog pig
Discrimination of words
Usage: used as subject, predicate and attribute
Open the door
croaks of frogs and chirp of cicadas - wā míng chán zào
a variation of a musical composition - yí shāng huàn yǔ