Explanation: traces, clues.

Source:

Please pay attention to everything and don't miss it.

cat weeping over the dead mouse—shedding crocodile tears

Explanation: It is a metaphor for false sympathy and disguised sympathy.

Source: Levin's History of the Qing Palace, Volume I: "He said angrily,' Everything else has just been returned. Isn't it a cat crying a mouse?' "

Example: The first volume of Levin's History of Qing Palace: "He said angrily,' Everything else has just been returned, but the statement of folding the tail is not ~

Cats eat parrots (mā o shā y and ng w incarnations)

Explanation: Metaphorically crowding out good people.

Source: A Brief History of Parrots in Song Dynasty: "Up to now, Shu people talk about banter and are good at uprooting, which is called' cats eat parrots'."

The cat and the mouse are in the same place (māo shǔ soup chǔ)

Explanation: It is a metaphor for officials neglecting their duties and shielding their subordinates from doing bad things. It is also a metaphor for collusion. Sleep with cats and mice.

Source: "New Tang Book Five Elements": "In November of the first year of Longshuo, cats and mice were in Luozhou. Rats hide like thieves, cats scratch and bite, but like rats, they are like thieves who quit their jobs and become traitors. "