Engelsk navneord: closed book | |||
| 1. | closed book (om erkendelse) something that baffles understanding and cannot be explained | ||
| Eksempler med tilsvarende betydning | How it got out is a mystery. It remains one of nature's secrets. | ||
| Termer med samme betydning (synonymer) | enigma, mystery, secret | ||
| Mindre specifikke termer | perplexity | ||