1.

[Interpretation] It is a metaphor for secretly changing the truth of things in order to achieve the purpose of being deceived.

[Source] Ling Xiaosheng's "Jin Ping Mei Hua Ci": "This Wang Po; Is he an old hand who steals the day?

2. steal the beam and replace the column.

[Interpretation] It is a metaphor for playing tricks in the dark, confusing the fake with the real, and making the best use of the inferior.

[Source] 1997 A Dream of Red Mansions: "It happened that Xifeng came up with a plan to steal the column; I don't want to come to Xiaoxiang Pavilion myself.