没有坏，就无所谓好，没有好，就无所谓坏。

Just because something is not bad doesn't mean it's good, and just because something is not good doesn't mean it's bad.

这种事无所谓好坏。

This is neither a good nor a bad thing.

只是家常便饭，无所谓请客。

It's just a simple meal. It's not worth inviting guests over for.

无所谓的态度

indifferent attitude

你愿办就办，我无所谓。

Go ahead if you're willing to do it. I'm not interested.

人家批评他，而他却无所谓。

He doesn't care that others criticize him.