[ qīnyǐngwúcán ] a clear conscience in the still hours of the night; do nothing that one can be ashamed of even if there is no one watching; no shame felt under the shadow of the coverlet
惭: 形容词(惭愧) feel ashamed 短语和例子大言不惭 be shamelessly boastful; brazenly brag; 自惭形秽 feel ashamed of one's own unworthiness; have a sense of inferiority or inadequacy