not believe your eyes
US /nɑt bɪˈliːv jʊər aɪz/
UK /nɑt bɪˈliːv jʊər aɪz/

1.
不敢相信自己的眼睛
to be so surprised by something that you think you are imagining it
:
•
When I saw the famous actor walking down my street, I could not believe my eyes.
當我看到那位著名演員走在我家街上時,我簡直不敢相信自己的眼睛。
•
She opened the gift and could not believe her eyes; it was exactly what she wanted.
她打開禮物,簡直不敢相信自己的眼睛;這正是她想要的。