un·solved
adjective/ˌʌnˈsɒlvd/
/ˌʌnˈsɑːlvd/
- not having been solved
未解决的；未破解的 - an unsolved murder/mystery/problem
未侦破的谋杀案；未解开的谜团；未解决的问题
Oxford Collocations DictionaryUnsolved is used with these nouns:- crime
- murder
- mystery
- …
- an unsolved murder/mystery/problem