What idioms are there that describe thoroughly?

Hit the nail on the head, whip inward, whip inward, whip inward, whip inward, whip inward, whip inward, thoroughly sort out, understand the truth, understand the truth, gain insight into ancient and modern times, learn from ancient and modern times, watch the fire, realize the truth, hide a candle in the hole and cross the river like incense. Light and exquisite, clear and exquisite, comprehensive, comprehensive, comprehensive, comprehensive, comprehensive, comprehensive, well-known, insightful, empathetic, well-informed, open, open, stubborn stone nodded, the world was cold and analyzed.

Thorough understanding: thorough and far-reaching; Rb: True and regular. Understand the laws of things thoroughly.

Learn from the hole: see clearly. Thoroughly understand the ups and downs of past dynasties.

The hole is like a fire hole: thorough. It is very clear to observe things, just like watching fire. ?

The hole is full of holes: thorough; Candle: have a look; Treacherous: treacherous. See clearly the intrigues of others.

Being an official means having a thorough understanding of something.

Describe the article or speech fully, thoroughly, or enjoyable.

Bright eyes and keen ears. Describe trying to understand thoroughly.