Several pupils were designated as having moderate or severe learning difficulties.

几名学生被认定有一定或严重学习困难。

《牛津词典》

A push factor can be as simple and mild a matter as difficulty in finding a suitable job, or as traumatic as war, or severe famine.

推动因素可以是简单而轻微的事情，比如找不到合适的工作，也可以是创伤性的事情，比如战争或严重的饥荒。

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In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.

过去，健康专家曾警告我们，即使是肺部感染或严重的咽喉痛等常见疾病，有一天也会很难得到医疗护理。

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But treatment needs change when people enter the moderate or severe stages of hypothermia.

VOA: special.2009.12.30

I think it's much severe than what you have experienced in the past year or two for the general economic situation.

甚至比过去两年的经济形势,还要严峻。

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Humans with severe intellectual disabilities are not rational or autonomous.

智力严重损伤的人们也不是,理性的或自主的。

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The more challenging or severe a situation, the more difficult it is to address.

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The prefecture of Gunma, north of Tokyo, had no history of frequent or severe earthquakes.

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After the Crash of 1987, many were predicting that a depression or severe recession would follow.

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