到底

1. to the end; to the finish

♦ 打~ fight to the finish

♦ 将革命进行~。 Carry the revolution through to the end.

2. at last; in the end; finally

3. (used in a question for emphasis)

♦ 你~是什么意思？ What on earth do you mean?

♦ 你那样干~是为什么？ What in the world did you do that for?

4. after all; in the final analysis

♦ 他~是新手, 干活还不熟练。 After all, he's new to the work and isn't very skilful at it yet.