Conditions in prisons out there are unimaginably bad.

那里各监狱的条件难以想像地恶劣。

《柯林斯英汉双解大词典》

An ice age by mid-century would be unimaginably devastating.

到本世纪中叶，冰河时代的破坏力将难以想象。

youdao

What they say is almost unimaginably painful to me.

他们所说的对我来说几乎是无法想象的痛苦。

youdao

Sometimes, sciencecan seem overwhelming. There are complicated concepts, unimaginably large - or small - objects, and vast distances that most people have a hard time understanding.

VOA: standard.2010.05.04

The last section of road corkscrewed into almost unimaginably dense jungle mountains that marked the border.

BBC: Piecing together puzzles in Cambodia

This has been an unimaginably difficult week for the people who live near Montcoal.

WHITEHOUSE: President Obama on WV Mine Tragedy and Justice Stevens

He was 65 years old, unimaginably ancient to the young soldiers amongst whom he lies.

BBC: Stories of love and loss in a desert war grave