坚决反对

His family were adamantly opposed to the marriage.

他的家人坚决对这门亲事。

He was an anti-Portuguese freedom fighter, but he absolutely refused to dehumanize the Portuguese.

他曾是葡士，但他坚决对非人道地对待葡萄牙人。

Politically, she is a staunch opponent of reform.

在政治上, 她是坚决对改革的。

It is necessary to oppose and reject all kinds of cacodoxy against Marxism for the purpose of keeping the status of Marxism.

坚持马克思主义的指导地位，必须坚决对和抵制马克思主义的错误思潮。