snuff something out           
phrasal verb with snuff verb [ T ] uk/snʌf/ us/snʌf/
 informal(突然地)结束,扼杀 
to cause something to end suddenly
  The country has been able to celebrate the return of its independence so brutally snuffed out in 1940. 该国于1940年被无情地剥夺了独立地位,如今终于可以庆祝自己重获独立。 
  吹灭,熄灭(尤指蜡烛)
to put out a flame, especially from a candle
  One by one she snuffed out the candles. 她把蜡烛一支支地吹灭。