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

• 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。
• Doctors sometimes fall back on old cures.
  有时医生们求助于老的疗法。
• 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。
• 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。
• 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。
• 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。
• It's good to have a friend to fall back on.
  有个朋友可依靠是好事。
• 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。
• 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。