This is not my writing brush.

这不是我的画笔。

First, write with a writing brush.

首先，用毛笔直接写上去。

Sure. That's the Writing Brush Pagoda.

没错。那就是文笔塔。

Lily: Ok, do you have a writing brush?

丽丽：好的，你有笔刷吗？

Because he didn't find any writing brush.

当时他没有找到毛笔。