变形 (biàn xíng): to become deformed; to change shape; to morph

This plastic toy was left in the sun all day and has already become deformed.

He put his phone in his back pocket, and when he sat down, the phone got bent out of shape.

Because it was washed in water that was too hot, this sweater became deformed, getting long and large.

After the earthquake, many houses' walls became deformed and cracks appeared.

After falling off his bicycle, his helmet was deformed, but he was not hurt.

Metal will deform under high temperatures, so workers must operate carefully.