You should be a student, because the teacher can see the student's imitation at a glance, unless it is the student's handwriting.

I'll teach you something: to be a parent's signature, you should first observe your parents' writing methods and styles in peacetime, and practice with your parents' words as copybooks (secretly, of course). It takes two or three days! In fact, the characteristics of parents' words are: the words should be scribbled, and the dragon and phoenix dance can be done.

Come on!