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 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。
• 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。
• 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。
• She could fall back on her aunt.
  她可以依靠她的姑妈。
• I don't even have that to fall back on.
  我连这个也不能依靠了。
• He has his rich parents to fall back on.
  他可以依靠他有钱的父母。
• At least you have your mother to fall back on.
  至少你可以依靠你的母亲。
• Fall back on old friends in time of need.
  在需要时求助于老朋友们。
• She had other assets her brain and her passion to succeed to fall back on.
  她拥有其他可以倚仗的资本&她的头脑和她对成功的激情。
• Don't fall back on others but do the job yourself.
  别依赖别人，你自己干。