It can be difficult for public figures to win a libel case.

公众人物要赢得诽谤诉讼是有难度的。

《柯林斯英汉双解大词典》

It would create a statutory "public interest" defence and restrict libel tourism.

它会创设法定的“公众利益”抗辩并限制诽谤旅游业。

youdao

In English libel law (Scotland’s is different), the fact that the public has an interest in knowing about something offers only a limited defence against a charge of libel.

在英格兰的诽谤法中（苏格兰的情况与此不同），公众如果想要了解某事，那么这就是对诽谤指控的一个有限的抗辩理由。

youdao

English law defined seditious libel as criticizing the government in such a way as to reduce public confidence.

VOA: special.2009.04.20

All sides believe that the result of the discussion so far has been to produce a much better public interest defence against libel actions, that something was published responsibly in the public interest.

BBC: Week ahead

Pure connoisseurship was unlikely to be decisive in court, and unless Colnaghi successfully pressed charges against him, their public accusation of Hebborn would expose them to a libel suit.

FORBES: Eric Hebborn Wants To Teach You How To Forge Art. Got A Pen? [Book Excerpt #2]

In recent years the British tabloids have gorged on his foibles: A public and messy divorce was followed by a colorful libel suit he filed against a former Italian manager (whom he had fired).

FORBES: Magazine Article