go off

• ing.
  i. patlamak:
  "the bomb went off in a popular cafe in ein al-helweh."
  
  ii. aniden (ve genellikle kendiliğinden) çalışmaya başlamak:
  "the alarm went off at around 12:45."
  
  iii. (bir yerden) çıkmak, ayrılmak, (bir yeri) terketmek.
  "microsoft originally announced over a year ago that windows xp would be going off the market in january 2008."