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

• When the business failed, we had to fall back on our savings.
  生意失败了，我们只得靠积蓄过活。
• He has his rich parents to fall back on.
  他可以依靠他有钱的父母。
• 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。
• At least you have your mother to fall back on.
  至少你可以依靠你的母亲。
• The public door ACL does not exist, so you fall back on the ACL of the parent.
  公共门ACL不存在，因此，您需要后退到上一级ACL。
• She was obliged to fall back on her own resources and habits for everything connected with the future.
  未来的一切都必须依靠自己的智慧和平素的修养来解决。
• It's always useful to have something to fall back on.
  有点依靠的东西总是有用的。
• 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。
• I like to keep some money in a savings account to fall back on in an emergency.
  我想在活期存单中存一些钱以便在紧急时有个依靠。
• 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。