Why does my dog try to bite me and start shaking?

[jaokey]

every time i try to brush his hair he does this
and how do i stop it so i can brush him

 

[BorisovPoweel]

Your dog should hate you.

 

[cassandra]

Is it possible that brushing him is hurting him? If not I'd suggest a trainer.

 

[ladystang]

need to train