究竟的英文：
after all
actually
outcome
result

参考例句：

The drummer seemed to be swayed between the interest of a foreigner and a perception of personal danger
推销员既有外乡人的好奇心，颇想探个究竟，又意识到自己的处境危险，所以有些举棋不定。

One might wonder if these particles could reach the detection apparatus before decaying
人们也许会怀疑，这些粒子究竟能否在衰变之前到达探测装置。

To examine the outcome minutely
细察究竟

Where the dickens is it?
它究竟在哪儿？

What was the upshot of it all ?
结果究竟怎样了?

Where on earth did you spring from?
你究竟从哪儿冒出来的？

What the devil happened?
究竟发生了什么事?

It's going to crash! Why?
要下坠了,究竟怎么啦?

Why the hell didn't he say it?
他究竟为什么不说?

How many sons may she have?
她究竟有几个儿子?

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

actually是什么意思：
adv. 实际地，事实上，真的；竟然

Actually, this was not a truce.
这其实不算是一种休战协定。

You must face the actual conditions.
你必须面对现实情况。

Entropy is actually a measure of disorder.
“熵”是一个针对混乱程度的度量数值。