到底的英文：
to the end
at last
after all

参考例句：

Sweat out; give off;bite the bullet
发出;忍耐到底

What in the world is No Pants Day?
到底什么叫无裤日？

Celia snapped, "double-talk, what does it mean?"
西莉亚怒气冲冲地说，“吞吞吐吐，到底什么意思？”

Type two are those who will remain incorrigible to the day they report to the King of Hell
一种就是顽固到底，一直到见阎王。

Women are having a hard time making up their minds who to support in this White House race.
美国女性选民在决定到底支持哪位总统候选人时伤透了脑筋。

In the end they took me off to the police station -rickshaw and rickshaw boy as well.
末后到底连我的包车夫和车子都带进捕房去。

Nixon, whatever his travail, would see it through
尼克松置他的痛苦处境于不顾，坚决要把这件事干到底。

We must play the game to the end, and consent to be blindfold.
我们把这出戏演到底吧，闭着眼睛干就行了。

It is but a twin, a perfect John Doe Jr. but still a junior.
它不过是个双胞胎而已，一个理想的小约翰·多伊，可到底还是小一辈。

he saw it all now: the tussle between Chao Po-tao and Wu Sun-fu was not of a purely commercial nature.
他现在完全明白了:到底赵伯韬与吴荪甫中间的纠纷不是单纯的商业性质。

end是什么意思：
n. 最后部分，末端，尽头；终止；结局；死亡；目的；一端，一方；部分
v. 结束，终止
adj. 最后的，最终的

Is the conference ended?
会谈结束了吗？

To join or be joined end to end;abut.
首尾相连在末端相连或毗连；邻接

Tie this end to the pole but leave the other end free.
将这一端系在柱子上，让另一端松开著。

after是什么意思：
prep. 在…以后；在…后面；低于；模仿；尽管
conj. 在…之后
adv. 以后，之后；在后面，随后
adj. 以后的，后部的

After you, sir.
先生，您先。

Counsel after action is like rain after harvest
放马后炮

pattern oneself after
模仿样子

all是什么意思：
adj. 一切的，所有的；整个的；各种的
pron. 一切；全部；大家，全体
n. 全部财产；所有一切
adv. 完全地；极其

The policy of burn all,kill all,loot all
三光政策

It is all on the house.
费用全由敝店支付。

(all) in a twitter
(极度) 紧张[兴奋],激动