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

• 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。
• 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 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。
• 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。
• 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。
• 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。
• It's always useful to have something to fall back on.
  有点依靠的东西总是有用的。
• It's good to have a friend to fall back on.
  有个朋友可依靠是好事。
• Fall back on old friends in time of need.
  在需要时求助于老朋友们。
• 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。