This presented a ticklish etiquette problem.

这提出了一个棘手的礼节问题。

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Many physicists now feel that it's only a matter of time before some enterprising physicist completely cracks this ticklish problem.

现在，许多物理学家认为，这只是一个时间问题一些有事业心的物理学家这个棘手的问题完全裂缝。

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Many physicists now feel that it's only a matter of time before some enterprising physicist completely cracks this ticklish problem.

现在，许多物理学家认为，这只是一个时间问题一些有事业心的物理学家这个棘手的问题完全裂缝。

youdao