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

• 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。
• 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。
• She could fall back on her aunt.
  她可以依靠她的姑妈。
• 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。
• I don't even have that to fall back on.
  我连这个也不能依靠了。
• 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。
• 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。
• She's completely homeless-at least I have my parents to fall back on.
  她是真得无家可归-至少我还有父母可依靠。
• Doctors sometimes fall back on old cures.
  有时医生们求助于老的疗法。
• 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。