Not to be entered or pierced; not admitting entrance.

穿不过的；透不进的。

Not capable of being understood or comprehended.

不能了解的；莫测的。

Inaccessible to knowledge, reason, sympathy, etc.

不接纳(知识、道理、同情等)的；顽固的；冷酷的。

Having the property of matter according to which no two bodies can occupy the same space at the same time.

【理】有不可入性的。