moral motive
ethical standards
moral dilemma
ethical reasoning
A: Why did he help the stranger?
A：他为什么要帮助那个陌生人。
B: I believe it was an ethical motive, not for any reward.
B：我相信这是一种道德动机，而不是为了任何奖励。
1) 指行为背后的道德驱动力
2) 在伦理学讨论中指行为的初衷
3) 指出于对社会责任感的考虑
1. 道德动机
noun phrase
1. A reason for doing something that is based on moral principles or values.
Synonym: moral reason