開門揖盜 [开门－盗]

Jyutping hoi1 mun4 jap1 dou6
Pinyin kāi mén yī dào

Definitions (CC-CEDICT)
  1. leaving the door open invites the thief (idiom); to invite disaster by giving evildoers a free hand
Definitions (Wiktionary)
  1. phrase, idiomatic
    to introduce bad people and bring disaster upon oneself
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (Wiktionary)
  1. Mandarin
    开门揖盗
    開門揖盜
    kāi mén yī dào
    • to introduce bad people and bring disaster upon oneself