This happens because severe nervousness arises from fear of failure, and fear arises from mental associations with memories of terrible events, whether imagined or real.

严重的焦虑感源于对失败的恐惧，而恐惧源自内心中现实或虚构的一些可怕的记忆。

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Because of the severe weather, aircraft can't be used to rescue the crew.

由于天气恶劣，飞机不能用来营救机组人员。

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People can also be unable to perform the simple activities of daily living without assistance because of the severe myofascial pain.

VOA: special.2011.07.26

The problem is even more severe when you're looking at mutual funds because there's kind of a cynical game that mutual fund management companies play.

当你去观察基金市场,会发现问题更严重,因为基金管理公司,会玩一个偷梁换柱的把戏

耶鲁公开课 - 金融市场课程节选

We have also some severe problems in Belgium because it's a country where they speak different languages.

比利时有很严重的问题，因为人们说不同的语言。

比利时和美国的差异 - SpeakingMax英语口语达人

The Sellafield nuclear reprocessing plant has been shut down because of severe weather conditions.

BBC: Sellafield shutdown: Severe weather closes nuclear site

"Climigration" refers to the forced and permanent migration of communities because of severe climate change effects on essential infrastructure.

CNN: 'Climate change' forces Eskimos to abandon village

Patients in a vegetative state are awake, not in a coma, but have no awareness because of severe brain damage.

BBC: India court rejects Aruna Shanbaug euthanasia plea