说不出的

The old building had an intangible air of sadness about it.

老建筑物周围笼罩着说不出的凄凉气氛。

She suffered unspeakable trouble while she considered all these questions.

她在考虑这一切问题时,心中有说不出的烦恼。

I felt an inexpressible relief.

我感到一种说不出的宽慰。

He's pale on the face, wearing a big pair of glasses.Just like the black eyehole on the skull.No words can describe it's horrible and eerie.

他的脸色白，而白的脸却戴着一幅黑色的硕大的墨镜，就如一个骷髅嵌着的两个黑洞洞的眼窝，说不出来的阴森和恐怖。