unrefined
/ˌʌnrɪˈfaɪnd/adjective
1- not processed to remove impurities or unwanted elements未精炼的; 未提炼的：
unrefined sugar.
粗糖。
1.1
- (of a person or their behaviour) not elegant or cultured（人, 举止）不文雅的; 无教养的。