What do you mean it's hard to guard against domestic thieves day and night?

It is difficult to guard against thieves day and night, which means to guard against thieves sooner or later. People who steal their own property are hard to guard against.

It is difficult to guard against domestic thieves day and night, proverb. It means taking precautions sooner or later. It is difficult for people who steal their own property to be prepared. The bad guys hiding inside are the hardest to guard against.

Source: Modern Kefei's Poem on Mountains and Rivers 10: "As the saying goes,' external thieves are easy to prevent, but internal thieves are hard to prevent'." Osmunda japonica is in the cellar and needs to be used frequently. Everyone goes in and out of it. Every once in a while, the two families always have a big fight. You said I stole yours, I said you stole mine. "

Proverbs with similar meanings:

1, a thousand precautions, one thief is hard to prevent, proverb. It means that the bad guys hiding in it are the hardest to prevent. Source: Modern Zhongyue Yun's "Xia Ying Hongyan": "It is impossible to prevent, it is impossible to prevent." With Mrs. Wu around that boy, are you afraid that he will fly to the sky? "

2, thieves are easy to fight, rape is difficult to prevent, proverb. Refers to the external enemy is obvious and easy to attack; Internal spies are difficult to find and guard against. Origin: In Jun Qing's The Battle of Lijiabu in modern times, it is said that "external thieves are easy to fight, but internal traitors are hard to prevent". This is the experience of Li Chengwan and the militia. They know that there is a dog in the village, and he will collude with the agents outside to make trouble. "