bugger something up 
phrasal verb with bugger verb [ T ] uk/ˈbʌɡ.ər/ us/ˈbʌɡ.ɚ/
  UK offensive      
 弄坏;搞糟
to damage something or cause problems by doing something stupid
  Mike's buggered up the video again. 迈克又把录像机弄坏了。 
 
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