It's a film about a serial killer and not for the faint-hearted.

这是部关于连环杀手的电影，胆小者勿近。

《柯林斯英汉双解大词典》

Yet persuading these canny, experienced buyers to sell is not for the faint-hearted.

不过劝说这些精明世故的买家出售藏品可不是因为他们优柔寡断。

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The road ahead was not for the faint-hearted, or “for those who prefer leisure over work”.

前面的路不适合懦弱之人，也不适合那些“好逸恶劳之辈”。

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The show's content is not for the faint-hearted, with strong language and jokes about religion, Aids and female circumcision.

BBC: Book of Mormon musical storms West End

Staying in the game while a company is accused of fraudulent business practices is not for the faint-hearted, after all.

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And tough Korean Injin Chi, the WBC title holder, is being tailed by Scotland's Scott Harrison, a proposition not for the faint-hearted.

BBC: SPORT | Boxing | Boxing 2005 - Rest of the world