(cause to) turn over; bring (especially a government) to an end suddenly
"he was badly bruised by the upset of his sled at a high speed"
"the biggest upset since David beat Goliath"
"The big vase overturned"
"The canoe tumped over"
"The cat knocked over the flower vase"
"the clumsy customer turned over the vase"
"he tumped over his beer"
"The Republicans were overruled when the House voted on the bill"
"The Czar was overthrown"
"subvert the ruling class"
"He revoked the ban on smoking"
"lift an embargo"
"vacate a death sentence"
"E-mail revolutionized communication in academe"
Our sole aim must be to overturn the social iceberg, stand it on its head.
出自： M. Leitch
I ransacked the closet.., overturning boxes.
出自： P. Auster