general knowledge
noun [ U ] uk/ˌdʒen.ər.əl ˈnɒl.ɪdʒ/ us/ˌdʒen.ɚ.əl ˈnɑː.lɪdʒ/
常识，一般性知识
information on many different subjects that you collect gradually, from reading, television, etc., rather than detailed information on subjects that you have studied formally