It is nearly impossible to know how our actions are perceived by others.

至于别人对我们的做法究竟作何感受，的确是无从知晓。

So who's most vulnerable to this delusion?

那么，究竟谁最容易受这种错觉的影响呢？

What exactly caused a blast that powerful?

究竟是什么造成了如此强大的？

Just how permissive should receiving countries be?

移民接收国究竟应该多宽容？

'Who is this Gatsby anyhow? ' demanded Tom suddenly. 'Some big bootlegger? '

" 这个姓盖茨比的究竟是谁？" 汤姆突然质问我，" 一个大私酒贩子？"

" He—here? " said Fudge, goggling at Harry. " Why—what's all this about? "

“他——在这儿？”福吉问，一边瞪着哈利，“为什么——这究竟是怎么回事？”

But is this question even amenable to science?

究竟这个问题是否可以 由科学来处理？

So an investigation will be done to figure out exactly what led to the collapse.

此，我们将展开调查，找出究竟是什么导致了这次崩溃。

But compared to other countries, how does America actually stack up?

但与其他国家相比，美国人累计的工作时间究竟算不算长呢？

Lemmings periodically commit mass suicide, and no one knows just why!

旅鼠会周期性地进行大规模自杀，但是没人知道究竟是为什么！

So what baffled scientists for so long is why is there a universe at all?

所以长期困扰科学家的是，究竟为什么会有一个宇宙？

What are you doing, huh? (What are you doing) What are you doing to me?

你究竟想对我做些什么你在对我做些什么？

Music and language seem intimately linked, but how?

音乐和语言似乎有着紧密的联系，但究竟是何种联系呢？

Exactly when that day will be is a matter of debate.

但究竟会在哪天到来就需要辩论一番了。

Whether this jolt of reality woke him up or not is uncertain.

究竟是不是现实的震撼将他惊醒，我们不确定。

It was just that he had never really understood what that meant . . .

而他从来没有真正理解这究竟意味着什么？？

From this collection of portraits could I finally unravel the mystery of his existence?

究竟从这一群肖像画中，我可能找出他生平的秘密来吗？

And who is actually farming all that food?

那么究竟是谁在种植这些粮食呢？

So what gets you up every morning?

究竟是什么给了你动力， 让你每天起早贪黑？

They couldn't imagine where he had been.

他们搞不清楚，他究竟去了哪里。