conscience是什么意思

　　It was a misunderstanding and it preyed on his conscience.

　　这是个误会，让他的良心很不安。

　　I give myself treats and justify them to salve my conscience.

　　我治疗自己并且纠正他们以慰藉自己的良心。

　　She is that rare bird: a politician with a social conscience.

　　她是这么一种少见的`人：有社会良知的政治家。