It is a fine line for men to tread.

这对男人来说一个很好的消息。

youdao

It is a fine line, but it is also one that can easily be misinterpreted.

这是该书的最后一句话，但同样也是一句很容易被误解的话。

youdao

There is a fine line between showing interest in what someone is doing and interfering in it.

关心别人正在做的事情和进行干预之间存在着细微的差别。

《牛津词典》

It is very much a fine line a given brand walks when it comes to branded content marketing.

FORBES: Using Branded Content In Your Content Marketing Arsenal

It seems there is a very fine line between research and conspiracy.

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The bottom line is that it is more than fine as a hotel, but utterly fantastic as a hotel at Macchu Picchu.

FORBES: Hotels I Love: Machu Picchu Sanctuary Lodge