In no circumstances must a soldier leave his post without permission.

在任何情况下，士兵未经许可，决不能离开岗位。

In no circumstances must any confidential information be disdosed to outsiders.

在任何情况下都不能向外人透露任何机密信息。

" My Aunt cannot, you say, bear to hear your name; only the other day she declared she would in no circumstances give you hospitality" .

“你说，我姑妈不忍心听到你的名字； 就在前几天， 她宣布在任何情况下都不会款待你” 。