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

• The public door ACL does not exist, so you fall back on the ACL of the parent.
  公共门ACL不存在，因此，您需要后退到上一级ACL。
• 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。
• 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。
• 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。
• Fall back on old friends in time of need.
  在需要时求助于老朋友们。
• 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。
• 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。
• 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。