Have nothing to fall back on.
无可依靠。

She could fall back on her aunt.
她可以依靠她的姑妈。

Doctors sometimes fall back on old cures.
有时医生们求助于老的疗法。

She'd always have something to fall back on.
她总是习惯于求助于别人。

Some Arab countries have resources to fall back on.
一些阿拉伯国家有资源可以倚仗。

She has nothing to fall back on in case of emergency.
急难时节她无所倚靠。

Or caress each other on the back or hip as you fall asleep ?
或者在你们睡觉时互相爱抚对方得背或臀?

The Discussion on Safe Fall to the Ground of Back Style Jump
对背越式跳高安全着地的探讨

You can always fall back on him when you are in difficulties.
你碰到困难时总是可以求助于他。

At least we can fall back on candles if the electricity fails.
停电时我们至少可以使用蜡烛。

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。

Aside from his meager savings, he has no resources to fall back on.
除了极少量的积蓄外，他没有可以依赖的财源。

The troops were ordered to fall back on the second line of defence.
队伍奉命退守到第二道防线。

The soldiers were ordered to fall back on the final line of defence.
士兵们奉命退守到最后一道防线。

She's completely homeless at least I have my parents to fall back on.
她是真正无家可归 我至少有父母可依靠。

If their spades break 41, I still have the diamond finesse to fall back on.
如果他们的黑桃是41分配, 我还可以依靠方块牌。

If their spades break4 1, I still have the diamond finesse to fall back on.
如果他们的黑桃是41分配, 我还可以依靠方块飞牌。

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。

The battle is going badly for us, we'd better fall back on the town in the hills.
战斗对我们越来越不利，我们最好退守到山中的小镇。

Tears flow cheek, have tasted bitter flavor, and then fall on the back of the hand.
眼泪流过脸颊, 尝到了那苦涩的味道, 然后再坠落在手背。

London share prices slipped back in anticipation of an overnight fall on wall street.
由于预计到华尔街行情的暴跌，伦敦股价已回落。

We had to fall back on the notes collected by students during course of his lectures.
我们只好求助于学生们在他讲课时所记的笔记。

Otherwise we should rather fall back and carefully bide our time. I was retired on full pay.
否则宁可退让，持重待机。给我全薪让我退休了。

If the parties fall back on their words before the conciliation statement is singed and accepted by them, an award shall be made by the arbitration tribunal promptly.
在调解书签收前当事人反悔的，仲裁庭应当及时作出裁决。

They 're never been able to figure out, though, whether it will expand outward like a balloon forever, or slow under the combined gravity of its 100 billion galaxies, stop and fall back in on itself.
但他们却无法知道，宇宙是否会像气球那样永无止境地向外膨胀，或者其膨胀速度会在一千亿个星系的联合引力下减缓直至停止，最后宇宙会逐渐收缩。