公平

I hope you will receive justice.

Is ten apples for eight eggs a fair exchange?

In fairness to him/To do him justice, he didn't mean to hurt you.

to even things up; for the sake of fairness

be fair and reasonable/equitable

fair competition/play

fair/square deal; fair trade/play; arm's length transaction

fair exchange

fair/equitable distribution

treat sb fairly; do justice to sb

fair/impartial/equitable treatment

be unfair (to sb); deny sb justice/impartiality