under the sun

US /ˈʌndər ðə sʌn/
UK /ˈʌndər ðə sʌn/
"under the sun" picture
1.

世上, 天下

in the world; on earth (used for emphasis)

:
What under the sun are you doing?
你到底在搞什麼鬼
It's the most beautiful place under the sun.
這是世上最美麗的地方。