Never betray her
```
The children were stunned.
How could they possibly be a match for Zhang Xiaoying?
"Grandma, you're not kidding, right?" Xu Wencong raised his hand, "Even if we practice for another ten years, we might not be your match. This seems a bit like bullying kids."
"Exactly, exactly, Grandma Xu, you can't do this." The other children also chimed in one after another.
Zhang Xiaoying chuckled, picked up a few twigs, and laid them out on the ground to form a small square.
Pointing to the square, she said, "I'll stand inside here, and you can attack me with any moves you like. As soon as my foot steps out of this area by even a little bit, I'll consider it my loss."
"Won't we have the upper hand then?" one child said, "Such a tiny space, are you sure you can hold steady? What if you trip and fall?"