There are many phrasal verbs in English that use the word "off". Here are some of the more common. 

Break off= end: "Talks have broken off between the union and management." 

Bring off = succeed in something difficult: "The new management brought off an amazing recovery in the company's fortunes." 

Call off = cancel: "The proposed merger has been called off." 

Cut off = disconnect: "Their electricity was cut off when they didn't pay the bill." 

Lay off = make workers redundant: "The car manufacturer laid off 5000 workers." 

Live off = get money from another source: "He invested the money and lived off the interest." 

Pay off = settle your debt: "She saved money every month and finally managed to pay off her student loan." 

Put off = (1) postpone: "They put off the decision for another month."

= (2) dissuade: "Falling prices put me off investing in the English property market." 

Take off = do well: "Business has really taken off!" 

Write off = accept a loss: "We'll never get the money back – I think we should write it off."