While pinning down a definition has proven tricky, the general consensus is it's some means of information gathering.

虽然事实证明给好奇下定义很难，但大家普遍认为它是一种收集信息的手段。

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Defining what it means to be a good parent is undoubtedly very tricky, particularly since children respond differently to the same style of parenting.

定义好父母的内涵无疑非常困难，特别是因为孩子们对同样的育儿风格有不同的反应。

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This means LINQPad is useful for any code snippet needing simple testing, e.g., tricky numeric format strings or Regex matching.

这也意味着对于要进行简单测试的任何简短代码，LINQPad非常有用，例如：棘手的数字格式字符串或者匹配正则表达式。

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But the seats fell as they did in 2011, and although Labour have carefully concentrated on giving every impression of being a majority government when they're not, it means there are tricky times coming down the road when the big and complex pieces of legislation start to flow.

BBC: State of Play 4 - Labour

The increased use of BPOs, the need for speed and value, and the wide variations in appraiser quality--there are three levels of accreditation for appraisers, so not all can claim the many hours of training a designated appraiser has--means that getting a reliable appraisal for a sale or refinancing is tricky.

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