The beard grows at two corners, and the chin is not that kind of beard.

No. Most of that beard grows under the chin. The types of beards can be divided into moustache, goatee, beard and campus. Moustache: A moustache longer than the upper lip is called "moustache", also known as moustache, beard and moustache. It is called "erhu chicken" in Cantonese, and goatee: the kind that is longer than chin is called "goatee and moustache".