夜猫子进宅

夜猫子进宅:

Literally means:

the owl (unlucky bird) flew into one's home

Actually means:

宅 refers to home. Superstitious people dislike owls and regard them as unlucky birds. They think when such birds fly into a house, one of the family members will soon die.

It figuratively means if a person comes, bad things will surely happen. It connotes that the visitor is not welcome. Derogatory.

宅，住所。迷信的人不喜欢猫头鹰，认为它是不吉祥的鸟，飞到谁家，谁家就要死人。

比喻某人来了，一定没有好事。含有不欢迎来人的意思。具有贬义色彩。