The school will only allow this in special circumstances.

学校只有在特殊情况下才会同意这种事。

《牛津词典》

Divorce is complicated enough in normal circumstances , but this situation is even worse.

在一般情况下，离婚已经够复杂了，但这一次情况更糟。

《牛津词典》

This deadline will be extended only in exceptional circumstances.

只有在特殊情况下才会延长最后期限。

《牛津词典》

He throws his high prophetic talents into the construction ; of the Saint Peter speech; and in 1645, historical circumstances being what they were, he was able to look back at this passage and actually claim that it had been a genuinely prophetic utterance.

他把自己预示的才能投入在,圣彼得的演说之中;,在164年，历史背景如此复杂，他能够重新回顾这段,并且做出一段真诚的预知性的论调。

耶鲁公开课 - 弥尔顿课程节选

But in appropriate circumstances this planning can cut capital gains taxes by more than half.

FORBES: Year-End Tax Planning Tips For Stock Options And Restricted Stock

YouTube has since responded, stating that UMG only has the power to do this in limited circumstances, and that UMG overstepped its authority in the Megaupload case.

FORBES: Link Roundup

When supporting bereaved children, either bereaved in this disaster or bereaved in other circumstances, it is important to be honest with them and give them as much information as you feel that they're ready to hear.

BBC: How do we cope with bereavement?