Look, is there something wrong? Yes, that's right. He/she is wearing his/her shoes backward.

Look at him, is there something wrong with him? Yes, that's right. He is wearing his left shoe in his right foot and right shoe in his left foot.

Look, is something wrong? Yes, correct. He/She has put his/her shoes on the wrong feet.

look. is there something wrong? yes, that's right. She/he is wearing her/his shoes reversibly.

Look, is there something wrong? Yes you're right. He / She is wearing the shoes the wrong way.