你昨晚到底去了哪儿?。

Where ever did you go yesterday evening?

youdao

你到底上哪儿去了？

Where in the name of Heaven have you been?

《牛津词典》

我本应该把那封信邮寄出去可邮票到底哪儿去了呢？

I'm supposed to mail that letter but where the heck are my stamps?

youdao

船长到底到哪儿去了！

Where's that captain!

youdao

所有不明飞行物(到底)都到哪儿去了？

Where (on Earth) have all the unidentified flying objects gone?

youdao

所有不明飞行物(到底)都到哪儿去了？

Where (on Earth) have all the unidentified flying objects gone?

youdao