格蕾丝说，她也不知道究竟怎么回事。

Grace says she's not sure exactly how it works.

youdao

又或者，即使你做了这种检查，你也不知道究竟会怎么样……

Or perhaps, even if you do check, you'll still never know...Gulp.

youdao

我不知道究竟怎样做才好，不过我们会知道怎么做的。

I don't know how it would work exactly. But we can figure it out.

youdao

我想是愿意的。我不知道。订婚究竟是怎么回事？

I reckon so. I don't know. What is it like?

youdao

“我不知道我这究竟是怎么啦？”他说。

"I wonder what's getting into me, anyhow?" he said.

youdao

你不知道这里究竟是怎么回事。

You don't know what's going on here.

youdao

他究竟怎么救我我不知道，不过他也许能想出办法来。

When the crash should come, he might somehow be able to save me from total destruction;

youdao

他究竟怎么救我我不知道，不过他也许能想出办法来。

When the crash should come, he might somehow be able to save me from total destruction;

youdao