What on earth are you hinting at?

你到底在暗示什么?

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问题。

I'm counting on you to help me through!

我正指望你帮忙帮到底呢！

Very few of the trainees have stayed the course.

受训者极少有坚持到底的。

Why on earth did you put on that outfit?

你到底为什么要穿上这?

Incomputable, cancer cell forms cancer cell group.

症患者体到底有多少胞？

Why are you giving me the third degree?

你干嘛要打破砂锅问到底？

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

我听说你想离开，到底是怎么回事？

Is the vendor always held responsible if goods are faulty?

如果产品有瑕疵, 卖主是否一定要负责到底？

What's at the bottom of it?

到底是什么原因?

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

别瞎扯了，告诉我你到底是怎么想的，行不行？

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。

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？

What the blazes have you done?

你到底搞的什么名堂？

Where in blazes are my keys?

我的钥匙到底在哪儿?

Who the dickens is this guy?

这家伙到底是谁呢?

Was he knobbing her or not?

他到底和她有没有私情？

Whose side are you on anyway?

你到底赞成谁的观点呢？

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。