Translation

• to treat everyone equally favorably (idiom)
• not to discriminate between people

Synonyms

• 不偏不倚, 不徇私情, 公, 公事公办, 公允, 公平, 公正, 公正无私, 公道, 天公地道, 平允, 持平, 正义, 爱憎分明, 秉公, 童叟无欺, 老少无欺
• 一概而论, 并列, 并排, 并称, 并重, 相提并论, 等量齐观

Examples

• 老师应该一视同仁地对待他们的学生。
  Teachers should treat all their students without partiality.