nieostry 用英语:

The picture is out of focus.

A photo can be out of focus if you move when you are taking it.

Don't post that picture online, it's blurry.

I think my camera is broken. It takes blurry pictires even when I don't move.

things get a little blurry during war

For that matter, there is an increasing tendency today for the civil/criminal distinction to become blurry in certain areas (Ward and Wragg 2005: 16–17).

I can't say I much like that choice, Dima sighed. "To be honest, my head's been all blurry ever since I woke up in a dumpster this morning..."

I made twenty blurry shots to have one almost correct!