落空的英文：
about one's ears
bricole
come to naught
draw blank
drawblank
drop through
fall through
fall to the ground
fizzle out
go by the board
go down the drain
go to the ground
pass by the board

参考例句：

Mother promised to buy me an iPad but it fell to the ground because of my bad behavior.
妈妈原本答应给我买个iPad，但因为我表现不好而落空。

Draw a Blank
落空;徒劳无功

Between two stools one falls to the ground
脚踏两头要落空

Illness blighted his plan.
疾病使他的计划落空。

The miscarriage of a cherished plan.
一个满怀希望的计划的落空

I'm sorry to disappoint your expectations.
我很抱歉，让你的期望落空。

He who follows two hares is sure to catch neither
追逐两只兔,两头都落空

Anyone who tries to interfere in our affairs and bully us will fail.
但谁要干涉或吓唬我们，都会落空。

The decision sounded the knell of our hopes.
这项决议宣告我们的希望落空。

All his attempt to get a lob have fail.
他找工作的全部尝试均已落空。

about是什么意思：
prep. 关于；大约；从事于；在…到处
adv. 附近
adj. 在附近的；即将...的

There was nobody about.
附近没有人。

Stereotypes about adultery are as common as research about it is flaky.
奇怪的是：这种陈词滥调和关于通奸的研究一样普遍。

She has a complex about rats.
她对老鼠有病态恐惧。

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。

ears是什么意思：
n. 耳朵；耳状物；听觉；倾听；报头；穗
v. 结穗

Walls have ears
隔墙有耳

This is an ear scoop.
这是扣耳勺。

The belly has no ears
食欲不长耳