"修勾" (xiū gōu) is a traditional Chinese technique used in calpgraphy and painting to correct or modify a stroke after it has been made. It is typically done using ink and a brush.
The origin of this technique can be traced back to ancient Chinese calpgraphy and painting, where artists would use this technique to make adjustments to their work before it was considered final.
In Engpsh, "修勾" can be referred to as "brush modification" or "brush correction".
Example sentence in Engpsh: "The artist used a technique called brush modification to fix the stroke in the calpgraphy."
Example sentence in Chinese: "艺术家用修勾的技巧来修正书法中的笔画。"