杂乱无章 in inglese:

she also seemed a little disorganized.

I used to be very disorganized, for example I often left my books at home.

Our secretary is so disorganized.

Her desk and papers were disorganized (and she could never lay her hands on what she needed).:

He never knows where anything is because he’s so disorganized.

If someone had meticulously arranged the garbage so as to most efficiently use the available space, but then a raccoon got in and made a mess of everything, the garbage could be said to be disorganized, because it was once orderly, but now it is not.