分明: 1.(清楚) clear; obvious; clearly demarcated; sharply contoured; distinct 短语和例子黑白分明 as distinct as black from white; 界线分明 clear demarcation; 爱憎分明 be clear about what to love and what to hate;
主次分明: make a distinction [distinguish; differentiate] between the important [primary; essential; significant] and the lesser [secondary] one