scribbling

The teacher glanced at the student's scribbling and asked him to write more neatly.

老师看了一眼学生潦草的书写，让他写得更工整些。

I found some scribbling on the napkin that looked like a phone number.

我在餐巾纸上发现了一些潦草的涂鸦，看起来像个电话号码。

She was annoyed by the constant scribbling of her coworker during meetings.

她因同事在会议期间不停地潦草涂写而感到恼火。