vulgar
adj
1 lacking in good taste or refinement 粗俗的; 庸俗的
a vulgar display of wealth 对财富庸俗的炫耀
dressed in cheap and vulgar finery 穿著廉价而俗气的华丽衣服
a loud and vulgar laugh 粗俗的大笑.
2 likely to offend many people; rude orobscene 易触犯众人的; 粗野的; 下流的
a vulgar gesture,suggestion, joke 下流的手势、 示意、 笑话.