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

• 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。
• 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。
• It's always useful to have something to fall back on.
  有点依靠的东西总是有用的。
• I don't even have that to fall back on.
  我连这个也不能依靠了。
• 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。
• 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。
• 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。
• 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。
• If John loses his job, he has nothing to fall back on.
  如果约翰失掉这份工作的话，他就无所依靠了。