If someone is even-handed, they are completely fair, especially when they are judging other people or dealing with two groups of people.
例句
...an even-handed approach to the war on drugs...打擊毒品斗爭(zhēng)中一視同仁的做法The administration wants to ensure the meetings appear evenhanded.政府希望確保這些會(huì)議公平公正。