这个词是如何从“一个让你想要拥抱的人”变成“一个让你畏缩的人”，我们不得而知，但其中有一些诱人的线索。
How the word made the leap from "someone who makes you want to cuddle" to "someone who makes you cringe" isn't really known but there are a few enticing clues.
如今圣何塞贫苦的孩子是否仍有机会踏入社会上层还不得而知。
Whether poor kids in San Jose today still have the chance to move upward is questionable.
这种睡眠模式对健康的长期影响还不得而知。
It appears that the long term health effects of this sleep pattern aren't well known.
但更长远地看，哪种预测会是对的仍不得而知。
Longer term, though, it's still impossible to know which prediction will turn out to be right.
“艾琳”的破坏力会有多大尚不得而知。
斯特劳斯-卡恩的辞职将造成什么影响尚不得而知。
What effect the resignation of Dominique Strauss-Kahn will have is unclear.
这个数字是否可靠我们不得而知，但这个价格太低了。
It's hard to know how credible that number is but that's a really low price.
这种做法能否成功地恢复稳定尚且不得而知。
Whether this will succeed in restoring stability remains to be seen.
不过，中国继续打击盗版的力度将会有多大还不得而知。
It's unclear how aggressively China will continue to pursue piracy, however.
这个谬论的起源不得而知，但是这是最荒唐的谬论之一。
The origins of this myth aren't known, but this is one of the most ridiculous ones around.
但是，澳大利亚选民和政客是否亦作如是观就不得而知了。
Whether Australian voters and politicians will see it that way, however, is unclear.
鸠山到底会是独立自主，还是成为小泽的傀儡还不得而知。
Whether Mr Hatoyama will emerge as his own man or a puppet of Mr Ozawa is unclear.
刘玉玲饰演一个律师，但是详细情况还不得而知。
Liu would play a lawyer, but exact details haven't been disclosed.
它如何来到伦敦我们不得而知，而它品相如此完好是惊人的。
How it reached [London] is something we shall never know, and that it is in such fine condition is amazing.
以后的结果我们不得而知，但是这种模式不同于季节性流感。
Whether it will pan out in the weeks ahead we don’t know, but it is a pattern that looks different from seasonal influenza.
东北亚地区的核不扩散是否能有一丝成功的机会目前还不得而知。
Whether nonproliferation ever had a chance of success in Northeast Asia is unclear.
今年，她也将在大陆开演唱会，但是细节却不得而知了。
A mainland tour, slated for later this year, includes several cities, but no details were available.
我拒绝了，但其他人是不是也能这么诚实就不得而知了。
但是是否可以成为疾病征兆或者和疾病有因果关系，就不得而知了。
But it is unclear if they are just a sign of disease or have a causal role.
设置这些天线的具体用途尚不得而知，或许是出于电子对抗的目的。
The specific purpose of these antennas is unknown but they are thought to be for electronic countermeasures purpose.
我们通过文本才能了解一些，我们不得而知的东西的含义。
We use a text to find meaning in something that we don't have available to us.
不过，航空专家认为，航班447究竟发生了什么或许永远不得而知。
But aviation experts say that the truth about what happened to flight 447 May never be known.
周五，日本官方声称会释放该船长，但是稀土出口何时重启不得而知。
On Friday, the Japanese authorities said they would release the captain, but it was unclear when the rare earth exports would resume.
目前这套装置还需小型化以便日常手持使用，价格不得而知。
No word has been give on price at this point, as the device still needs to be made small enough for hand use.
其中多少个岗位会归入绿色岗位的定义范畴，目前尚不得而知。
It remains to be seen how many of them will be anyone's definition of green (Salon).
染色体究竟是如何形成特定的形状，然后又如何影响基因，这还不得而知。
Exactly how chromosomes take their necessary shapes, and how these shapes then affect genes, is still unknown.
这个最终的答案还不得而知，但最近几个月的迹象着实令人沮丧。
A definitive answer isn't forthcoming, but the signs in recent months have been gloomy.
如果使用非官方的通信途径，那些来自个人的邮件是否该保留，尚不得而知。
Without using official communications channels, it remains unclear whether emails from private accounts are being correctly kept.
如果使用非官方的通信途径，那些来自个人的邮件是否该保留，尚不得而知。
Without using official communications channels, it remains unclear whether emails from private accounts are being correctly kept.
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