奴 ㄋㄨ ˊ nú 颜 ㄧㄢ ˊ yán 婢 ㄅㄧ ˋ bì 膝 ㄒㄧ xī 奴 ㄋㄨ ˊ nú 顏 ㄧㄢ ˊ yán 婢 ㄅㄧ ˋ bì 膝 ㄒㄧ xī servile and bending the knee (idiom); fawning bending and scraping to curry favor