Her use of obscene language offends against the proprieties.
她使用下流的语言是很失礼的事.
His comments are not repeatable,eg because they were rude, obscene, etc.
他的话别人实在说不出口（如因粗俗、 下流等）.
I'm not easily shocked, but that book really is obscene.
我并不是大惊小怪的人, 但那本书淫秽之甚确实让我大吃一惊.
