vulgar

他那粗俗的举止在正式场合显得格格不入。

His ___vulgar behavior was out of place at the formal event.

那个脱口秀演员的表演因为使用了粗俗的语言而被批评。

The comedian's performance was criticized for using ___vulgar jokes.

这位作家喜欢用粗俗的语言讲述普通人的故事。

The writer prefers to use ___vulgar language to tell stories about ordinary people.