Re: 光明磊落

「光明磊落 」 mostly describe a person's character
「光明正大」mostly describe a method of conduct.

**做人要「光明磊落 」 
man have to be 「honest and righteous」
**「光明磊落 」噉做人
live 「honestly and righteously」

**「光明正大」噉搞基  
「openly and unashamedly 」being gay

The two term are not exactly interchangeable