赶脚老师比卫生纸还能扯
[găn jiăo lăo shī bĭ wèi shēng zhĭ hái néng chĕ]
The name translates to 'Feeling like the teacher is more talkative than toilet paper.' It's a humorous way to express that the teacher talks too much, comparing it humorously to how endless a roll of toilet paper might feel.