Usage patterns
〈物〉に歪みが生じるdistortion occurs in ~
The earthquake caused distortion in the building.
〈事〉の歪みが表面化するthe strain (in a system) comes to the surface
The strains in society have begun to surface.
歪みを直すto fix/correct a distortion
I made adjustments to correct the lens distortion.
歪みが出るdistortion/strain appears or shows up
The forced policy caused strain to show up in the economy.