Focus on the pronunciation of happen
English definition of “happen”
happen verb [I]
› to be done or exist by chance: What happens in one country or region may not happen in another.happen by accident/chance "The state's economic vitality has not happened by accident," he said.
happen to sb/sth › to affect someone or something in a way that changes something: Everywhere I go people are becoming more and more depressed by what is happening to their savings.
happen overnight › to be done or come into existence suddenly: did not/may not/will not happen overnight This crisis didn't happen overnight.