What idioms have similar but opposite meanings?

Simply put, there is no name, and there is no intention to exist in name only. Sadness and joy, black and white.

The priority is reversed. Life and death matter.

Always right and wrong, right and wrong, right and wrong, irrelevant, confusing black and white, confusing black and white, confusing right and wrong, confusing right and wrong.

Insignificant, polite, fussy, overqualified in the street, much the same, running around and looking around.

Let the past serve the present, and let the present be better than the past. Context cynicism, South and North are different, South turns North.

Internal troubles and external troubles are getting higher and higher, and the cause and effect are simple. Where will you go? Death and the sky will fall apart.

It's upside down. The sky is high and the ground is dark. It's natural to turn around and blame strange bedfellows.