To be fair
... Reinvent the wheel浪费时间做无用功 To be fair说句公道话 On the box上演的电视节目 ...
to do him justice
... 说不清楚 It’s hard to explain. 说句公道话 To be fair;to do him justice 说真的 Tell the truth;be frank/truthful ...
in all fairness
... ruby:深红色的 in all fairness:说句公道话 samosa:炸馅角(有肉或菜馅的三角形面食小吃) ...