Non - payment is forbidden under penalty of forfeiture.

严禁不支付，违者处以没收（财产等）的处罚。

He ordered enterprises to fulfil contracts under penalty of strict fines.

他以严厉罚款相威胁，命令企业履行合同。

Employees are forbidden to smoke on these premises, under penalty of instant dismissal.

严禁雇员在这些建筑物内吸烟，违则立即开除。

Married women could not view the Olympic Games in ancient Greece under penalty of death.

在古希腊如果已婚妇女去看奥林匹克运动会，就会被处以极刑。

Under penalty of arrest, the editor issued following retraction: Half the city council aren't crooks.

在被罚以拘留后，编辑发表了以下声明：市议会里有一半人不是骗子。