gauche adj.笨拙的 粗鲁的
People laugh at Forrest Gump's gauche behavior at the White House
rough adj.粗暴的
The boy who lost his parents ran with a rough crowd
rugged adj.粗俗的
coarse adj.粗糙的，粗野的
Bill's coarse manners were becoming quite offensive
rustic adj.粗俗的
grumpy adj.坏脾气的，性情暴躁的
brutal adj.野蛮的
The brutal beast tore the deer to pieces