Blood truth, the lesson written in blood, let us consider once again the quiet security of this heavy topic!

血的事实，血的教训，让我们再一次静静的思考安全这个沉重的话题吧！

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They paid a heavy price for that. They offered us a profound experience and lesson.

他们都付出了沉重的代价，提供了极其深刻的经验与教训。

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The lesson to be learned from the present case is that a transient plasma cell dyscrasia may present like multiple myeloma in the setting of heavy immunosuppression after organ transplantation.

从这个病例中得到的教训是，在器官移植后的严重免疫抑制状况下，暂时性血细胞恶液质可以有类似多发性骨髓瘤样的表现。

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In countries where heavy human suffering has been incurred, the lesson for both the leadership and the protestors would be to dig deeper.

FORBES: The End Of The Regime: After Gaddafi, What?

However, although the sea ice is shrinking -- covering less total area as well as becoming thinner -- the Arctic is still a world ruled by ice, a lesson well learned when the Polar Pioneer encountered heavy pack ice between Svalbard and the eastern coast of Greenland, forcing the captain to divert the boat and drop speed to just a few knots.

BBC: Life in the fragile, frozen Arctic