She felt her heart turn over in her chest.

He lost his balance and fell down.

His car turned over several times before falling into the river.

The car hit the fence and turned over.

Sometimes being overcautious in planning could upset the apple cart.

The vase on my desk overturned when I jumped up in surprise.

A boat capsized.

So much has happened. It's as if the whole world is flipped upside down.

The boat fell into a whirlpool and overturned.