put something off        
phrasal verb with put verb uk/pʊt/ us/pʊt/  putting | put
B1 推迟,拖延
to decide or arrange to delay an event or activity until a later time or date
  The meeting has been put off for a week. 会议被推迟了1周。 
 [ + -ing verb ] I can't put off going to the dentist any longer. 我不能再拖着不去看牙医了。 
 - More examples
 - I've put off talking to him about this for far too long.
 - They decided to put the wedding off until his brother had returned from Brazil.