Suddenly a train of ideas came across my mind and finally I managed to solve this problem.

突然一连串的想法出现在我的脑海中，最终我成功地解决了这个问题。

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At last, when the king was in quandary, an idea struck his mind suddenly: maybe someone who was familiar with natural environment could tackle this problem.

最后无计可施的国王突然想：也许一个熟悉野外环境的人可能会解决这个问题。

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Suddenly thought of a very serious problem, because never reflect on before, so when this problem in mind, flash-off time, we stubbornly believe that very serious.

忽然想到一个很严重的问题，因为从来不曾细想过，所以当这个问题在脑海里一闪而过的时候，便固执地认为相当严重。

youdao

Suddenly thought of a very serious problem, because never reflect on before, so when this problem in mind, flash-off time, we stubbornly believe that very serious.

忽然想到一个很严重的问题，因为从来不曾细想过，所以当这个问题在脑海里一闪而过的时候，便固执地认为相当严重。

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