是非分明 的英文怎麼說?

[1] can tell right from wrong[2] know right from wrong[3] righteous; upright[4] honorable; respectful; ethical; honest

can tell right from wrong 跟 know right from wrong 是口語說法，指一個人是非分明。

righteous，upright，honorable 等都有是非分明的意思，而 ethical 指有道德感，honest 指誠實，依情況使用。