(of a king or queen 国君 not yet crowned (= had a crown officially placed on their head as a sign of royal power) 尚未加冕的 Oxford Collocations DictionaryUncrowned is used with these nouns:- king
Idioms
the uncrowned king/queen (of something)
the person considered to be the best, most famous or successful in a particular place or area of activity 无冕之王（某地区或领域中最杰出的人）