is it me

Phrase

followed by "or"

(followed by "or") Is it a situation of my own imagination (or ...)?

Japanese Meaning

これは自分の想像や勘違いによるものなのか？ / 私だけが感じている現象なのか？ / 自分の頭の中だけの幻想なのか？

is it me, or does the painting look slightly different every time I pass by?

私の気のせいだろうか、それとも通るたびに絵が少しずつ違って見えるのだろうか？

Sense（1）

(followed by "or") Is it a situation of my own imagination (or ...)?

Is it me or is it really stuffy in here?