fall back on
phrasal verbfall back on somebody/something
- [no passive]
to go to somebody for support; to have something to use when you are in difficulty 求助于；借助于；转而依靠 I have a little money in the bank to fall back on. 我在银行还有一点钱，需要时可以动用。 She fell back on her usual excuse of having no time. 她以惯用的借口推说没有时间。