fall back on

基本解釋

Doctors sometimes fall back on old cures.
醫(yī)生們有時求助于傳統(tǒng)療法。
Believers, of course, can fall back on the logically less rigorous support that they characterize as faith.
當然，信徒則可以對他們描述為信仰的東西求助于邏輯上不那么嚴密的支持。
I even wrote a novel about how people needed to fall back on antiquated technology to survive the storm when everything else failed.
我甚至寫了一本小說——為了在風暴中幸存，當其他一切都灰飛煙滅時，人們需要求助于古老的技術(shù)。

Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.
Well, I actually think the Russian formalists can be defended against the charge that, unbeknownst to themselves, they fall back in to form-content distinctions by insisting on this variety of dualities.
但是我認為,這些形式主義者們在不自覺中，對于形式和內(nèi)容的雙重性,太過偏執(zhí)。
耶魯公開課 - 文學(xué)理論導(dǎo)論課程節(jié)選
Of course, you can imagine the thoughts of Louis XVI as they were cutting back his hair to await the fall of the guillotine on the 21st of January, 1793.
你可以想象下在1793年1月21日這天,當人們拽住路易十六的頭發(fā),等待斷頭臺下落時他會想些什么
耶魯公開課 - 歐洲文明課程節(jié)選

If (when) this happens, there will be no third party to fall back on.
ENGADGET: blogger-avatar

If you fall back on something, you do it or use it after other things have failed.