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

• If we fall short of seeds and nuts, we'll need these berries to fall back on.
  要是种子和坚果不够的话，我们还要靠这些莓果过冬。
• 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。
• 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。
• By introducing a new response, you resist the temptation to fall back on old, stale beliefs.
  通过引入新的响应，你了抵制要回到旧的陈腐信念的欲望。
• 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。
• 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。
• Fall back on old friends in time of need.
  在需要时求助于老朋友们。
• 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。
• In an emergency we can fall back on our savings.
  在情况紧急时，我们可以依靠我们的积蓄。
• It's always useful to have something to fall back on.
  有点依靠的东西总是有用的。