turn upside down

US /tɜːrn ˌʌpsaɪd ˈdaʊn/
UK /tɜːrn ˌʌpsaɪd ˈdaʊn/
"turn upside down" picture
1.

倒置, 翻转

to invert or flip something so that the top is at the bottom

:
He accidentally turned the box upside down, spilling all its contents.
他不小心把盒子倒过来了,把里面的东西都洒了。
The strong winds turned the umbrella upside down.
强风把伞吹翻了
2.

搞得天翻地覆, 彻底打乱

to cause great disorder or confusion; to disrupt completely

:
The new policy turned the entire department upside down.
新政策把整个部门搞得天翻地覆
The unexpected news turned her world upside down.
这个突如其来的消息把她的世界搞得天翻地覆