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

• It's good to have a friend to fall back on.
  有个朋友可依靠是好事。
• I like to keep some money in a savings account to fall back on in an emergency.
  我想在活期存单中存一些钱以便在紧急时有个依靠。
• He has his rich parents to fall back on.
  他可以依靠他有钱的父母。
• 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。
• 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。
• 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。
• At least you have your mother to fall back on.
  至少你可以依靠你的母亲。
• Don't fall back on others but do the job yourself.
  别依赖别人，你自己干。
• 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。
• I don't even have that to fall back on.
  我连这个也不能依靠了。