They are opposing in terms of opinion.

There is a serious opposition between them.

I want to go to the national art museum.

He attended the party wearing a mask.

When I hear his name, old memories immediately come to mind.

When I picture his face in my mind, my heart warms.

His countenance was very bright.

He was reminiscing about his distant hometown.

His plan fell right into just as someone planned.

We want to nurture this mutual love carefully.