Earthquake, the stairs is an important means of escape, however, the great Wenchuan earthquake disasters, shows that very serious damage to the stairwell.

地震时，楼梯是重要的逃生通道，然而，汶川大地震震害表明，楼梯间的破坏相当严重。

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The overalls I was wearing were of very thick cloth and no serious damage had been done.

我穿的工装裤料子很厚实，我的损伤不算严重。

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Mercury is very hazardous for humans and eating fish contaminated with mercury can result in serious health problems, including heart disease and damage to the brain and nervous system.

汞对人体非常有害，吃了汞污染的鱼会导致严重的健康问题，包括心脏病以及大脑和神经系统的损害。

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The chief executive for the Americas sent an email to London saying the programme needed to "evaluate if its returns and strategic benefits are... still commensurate with the potential to cause very serious or even catastrophic reputational damage to the group".

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He handled his son's drug problem very successfully, and defused matters before they inflicted serious political damage.

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Meanwhile, the clock is ticking on very serious economic and financial time-bombs, the potential damage from which dwarfs all other concerns.

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