distortion  
noun uk/dɪˈstɔː.ʃən/ us/dɪˈstɔːr.ʃən/
  (FALSE MEANING)      
  [ C or U ]歪曲,曲解 
a change to the intended or true meaning of something
  a gross distortion of the facts 对事实的严重歪曲 
 Nobody has challenged his distortions on education and the economy. 没有人质疑他对教育和经济的刻意歪曲。 
 - More examples
 - They are furthering their agenda through lies and distortion.
 - The producers insisted the show was a truthful portrayal and there was no distortion.
 - These are unsubstantiated attacks containing exaggerations and distortions.
 
  (SHAPE)      
  [ C or U ]扭曲,扭歪,变形 
a change to the original or natural shape of something
  When you project the photographs onto a surface, some distortion of the image may occur. 将照片投射到表面时,可能会出现图像变形的情况。 
 The painting features Dali's characteristic distortions of form. 这幅画表现了达利特有的形式扭曲。 
 - More examples
 - The supersensitive camera reduces noise, image distortion and blur to create amazingly sharp images.
 - A handwriting expert was unable to determine who had written the note due to the distortion of the writing.
 - It could be argued that any photographic image is already a distortion of what one sees in the real world.
 
  (SOUND)      
 [ U ](声音)失真 
a change in or loss of sound quality, due to changes in the shape of the sound wave
  The audio track sounds clean and free of distortion. 音频声音清晰,毫无失真。 
 - More examples
 - Using this phone, the person I was speaking to said I sounded distant, with more distortion.
 - His grimy guitar, with lots of distortion, is key to the band's sound.
 - The system corrects for distortion caused by sound bouncing off glass or being absorbed by upholstery.
 - They use DC-coupled amplifiers for low distortion.