in a way that is not suitable, simple, or beautiful, or not in the style preferred by rich or well-educated people

"It can't have been her, can it?" said Constance, chewing crisps, vulgarly, with her mouth open. "不可能是她，对吗？"康斯坦丝说，她张着嘴，不雅地嚼着薯片。

I made my own labels using some vulgarly bright pink fluorescent cardboard I had found. 我自己做了标签，用的是能找到的一些粗俗的亮粉色荧光纸板。

in a way that is rude and likely to upset or anger people, especially by referring to sex or the body

When she asked him to do something, he told her vulgarly to get lost. 当她给他安排工作时，他粗俗地叫她滚开。

His politics is at times self-righteous, the language vulgarly obscene. 他的政治有时自以为是，用的语言有时也粗俗淫秽。