monkey-wrench

基本解释

Well, ok -- firewalls themselves aren't bad, but if you think about what asynchronous message processing means, they certainly throw an interesting monkey-wrench into the mix.
是的，没错！其实防火墙本身并没有什么不好，但如果您考虑到异步消息处理的含义，防火墙无疑会起干扰作用。
Lifestyle can really throw a monkey-wrench in the process, no matter how dedicated the sleeper wants to be: No amount of iron will can compensate for a hectic work-schedule, or kids, etc.
生活方式总是会让这个过程进行得不那么顺利，不管实践者怎样努力，再多铁一般的意志也弥补不了一个繁忙的工作日程或者照顾孩子等等。
The arguable mischaracterization of YouTube seems to throw a big monkey-wrench in Hitwise's usually fabulous market analysis, but as a general trend social network is undoubtedly growing.
对YouTube的有争议的描述，似乎值得给Hitwise的通常是神话般的市场分析来了一棍子，但社交网络大的趋势无疑是增长的。

So they could throw a fairly good-sized monkey wrench in this thing.
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Aside from that, the specter of a nuclear-armed Iran throws a monkey wrench into any thought of regional stability.
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Congress and regulators have been oddly quiet in reaction, since the news potentially throws a monkey wrench into their plans to scuttle even the Dodd-Frank financial regulations after the elections.
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