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

• 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。
• Doctors sometimes fall back on old cures.
  有时医生们求助于老的疗法。
• Fall back on old friends in time of need.
  在需要时求助于老朋友们。
• 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。
• 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。
• 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。
• She could fall back on her aunt.
  她可以依靠她的姑妈。
• 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。
• 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。
• It's always useful to have something to fall back on.
  有点依靠的东西总是有用的。