What on earth are you hinting at?

到底在暗示什么?

I was in a quandary about whether to go.

我当时正犹豫到底去不去。

Whether or no it is true remains a question.

到底是真是假还是一个题。

I'm counting on you to help me through!

我正指望帮忙帮到底呢！

Very few of the trainees have stayed the course.

受训者极少有坚持到底的。

Incomputable, cancer cell forms cancer cell group.

癌症患者体内到底有多少个癌？

Why are you giving me the third degree?

干嘛打破到底？

Why on earth did you put on that outfit?

到底为什么穿上这套服装?

What’s all this I hear about you wanting to leave?

我听说想离开，到底是怎么回事？

Is the vendor always held responsible if goods are faulty?

如果产品有瑕疵, 卖主是否一定负责到底？

What's at the bottom of it?

到底是什么原因?

There’s something afoot here, but I don’t know what it is.

这里有什么东西不对劲，但我不知道到底是什么。

Cut the crap and tell me what you really think, OK?

别瞎扯了，告诉我到底是怎么想的，行不行？

At the risk of showing my ignorance, how exactly does the Internet work?

我可能听上去很无知，可是因特网到底是怎么运行的呢？

Who the dickens is this guy?

这家伙到底是谁呢?

What the blazes have you done?

到底搞的什么名堂？

Where in blazes are my keys?

我的钥匙到底在哪儿?

Whose side are you on anyway?

到底赞成谁的观点呢？

Was he knobbing her or not?

他到底和她有没有私情？

She was,to the end,a gentlewoman of the old school,gracious and mannerly.

说到底，她仍是一位温文尔雅、礼貌可嘉的守旧派的贵妇人。