Carving a boat for a sword, Three Gorges, secret door
be filled/suffused/brimming with
Carving a boat and seeking a sword comes from Lv Chunqiu, which was written in the Spring and Autumn Period and the Warring States Period.
"Three Gorges" comes from "Notes on Water Classics" and was written in the Northern Dynasties and the Northern Wei Dynasty.
"Trap" comes from "Meng Qian Bi Tan" and was written in the Northern Song Dynasty.
I hope I can help you!