fall back on

英 [fɔːl bæk ɒn]

美 [fɔːl bæk ɑːn]

（其他方法行不通时）转而做，转而使用，转而依靠

柯林斯词典

• PHRASAL VERB (其他方法行不通时)转而做，转而使用，转而依靠
  If youfall back onsomething, you do it or use it after other things have failed.
  1. Unable to defeat him by logical discussion, she fell back on her old habit of criticizing his speech...
     由于在条理上说不过他，她便转而重施故技，抓住他的演讲不放。
  2. When necessary, instinct is the most reliable resource you can fall back on.
     必要时，最保险的办法就是凭直觉判断。

双语例句

• He has her support to fall back on when the going gets tough
  他在进展困难的时候可以求助于她。
• It's good to have a friend to fall back on.
  有个朋友可依靠是好事。
• If these new methods don't work, we'll have to fall back on our old system.
  如果这些新方法不奏效，我们不得不依靠我们的旧系统了。
• When necessary, instinct is the most reliable resource you can fall back on.
  必要时，最保险的办法就是凭直觉判断。
• At least you have your mother to fall back on.
  至少你可以依靠你的母亲。
• We had to fall back on dried milk as fresh milk wasn't available.
  因为找不到鲜奶，我们不得已使用了奶粉。
• It is these things where we should fall back on expert judgment and more experienced people.
  在这些事情上，我们应该听从专家和更有经验的人的判断。
• You can always fall back on him when you are in difficulties.
  遇到困难时，你随时都可以找他帮忙。
• If John loses his job, he has nothing to fall back on.
  如果约翰失掉这份工作的话，他就无所依靠了。
• Furthermore, creditors know there is no sovereign guarantee to fall back on.
  此外，债权人知道了，自己没有主权担保的靠山。