Why are you so mysterious? Why don't you tell me outright?

你为什么这么神神秘秘？为什么不直截了当地告诉我？

《柯林斯英汉双解大词典》

It's so vast, so deep, so mysterious.

它是如此广阔，如此深邃，如此神秘。

youdao

Me, too. It's so mysterious sounding.

我也是。听起来很有神秘感。

youdao

But then, on September 30th, it emerged that the loss of Mars Climate Orbiter was not so mysterious after all.

ECONOMIST: Mishaps in space: Foolish, not ghoulish | The

Meanwhile, News Corp. has confirmed that Andy Coulson, former NOTW editor, approved payments by members of his staff to the police the same police force that so mysterious failed to uncover evidence of widespread hacking in an earlier investigation.

FORBES: Why Murdoch Won't Fire Brooks Over Phone Hacking Furor

It's just so mysterious.

CNN: The wonder of Yu: Paralympic fencer's Bolt regret