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

• 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。
• 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。
• 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。
• We all need a nest egg to fall back on, but not while wearing a good suit.
  我们都需要有个留窝蛋当退路，但不是在穿着一身好套装的时候。
• Doctors sometimes fall back on old cures.
  有时医生们求助于老的疗法。
• It's always useful to have something to fall back on.
  有点依靠的东西总是有用的。
• 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。
• I don't even have that to fall back on.
  我连这个也不能依靠了。
• 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。