back-pedalling

例句:

• Listen back to the show to hear who won.
  来自BBC
• I thought my back would break many a time.
  来自BBC
• If you love life, life will love you back.
  热爱生活，生活也会厚爱你。
  
• Check back next month for another strip from Ed.
  来自BBC
• The Government are back - pedalling on their election promises.
  内阁正在背弃它竞选时的诺言.
  
• Paul agreed to help but now he's back - pedalling because he says he's too busy.
  保罗同意帮忙,可是他现在反悔了,因为他说他太忙了.