turn upside down
US /tɜːrn ˌʌpsaɪd ˈdaʊn/
UK /tɜːrn ˌʌpsaɪd ˈdaʊn/

1.
2.
搞得天翻地覆, 徹底打亂
to cause great disorder or confusion; to disrupt completely
:
•
The new policy turned the entire department upside down.
新政策把整個部門搞得天翻地覆。
•
The unexpected news turned her world upside down.
這個突如其來的消息把她的世界搞得天翻地覆。