What turtle? What idiom?

Tortoise-free hand medicine: ① medicine to prevent hand from freezing and cracking. (2) Metaphor is powerless.

Pass the tortoise to attack the purple: refers to inheriting the high position. Made in the Han Dynasty, the Duke and Duchess wore purple ribbon turtles and new gold seals.

Calling the sky with a turtle: the original meaning is unlucky for divination, and calling the diviner and the sky with abusive words. Extended to the call sign of unfortunate fate.

Scarab of wine: Scarab: the name of the bag, an ornament of officials in the Tang Dynasty. Untie the scarab for wine. Described as open-minded and binge drinking.

Prove that the tortoise is a tortoise: call the tortoise a tortoise. Metaphor deliberately distorts and reverses right and wrong.

Several strategies for chiseling turtles: chiseling turtles: drilling and burning turtle shells, and judging good or bad by the cracks burned; Counting strategy: Count the stems of yarrow and judge the quality from the population count. Refers to the ancient people who used tortoise shells and yarrow to predict good or bad luck.

Hanging a turtle is a fish: it refers to a senior official.