bollocks something up
phrasal verb with bollock verb UK offensive uk/ˈbɒl.ək/ us/ˈbɑː.lək/
（粗话）把某事搞砸了
a rude phrase meaning to spoil something by making mistakes
They completely bollocksed up the game. 他们把比赛完全搞砸了。
Try not to bollocks it up this time! 这次可别搞砸了！