1. Was there a defamatory statement? Was there defamation? 这是流言蜚语吗？这是诽谤吗？
2. Realizing their legal liabilities, many websites diligently screen their postings and promptly delete defamatory comments. 很多网站在意识到他们的法律责任后都会认真的监管网贴，并会即时删除诽谤内容。
3. You must not upload any images containing material that is of an adult nature, illegal, defamatory, promotes racism, hatred or discrimination. “你不能上传任何图片含有相当成人性质，非法，诽谤，促进种族主义，仇恨或歧视。”这翻译的和上面差不多吧，那这图床还能用？
英英解释
adj.
1. (used of statements) harmful and often untrue; tending to discredit or malign
