- 卿卿我我 qīngqīngwǒwǒ to bill and cooto whisper sweet nothings to one another; to be very much in love and display great affection
- 机关算尽太聪明，反算了卿卿性命 jīguānsuànjìntàicōngmingfǎnsuànleqīngqīngxìngmìng smart people often outsmart themselvesIf one is too calculating, it will lead to one's own undoing. This is a famous line from the novel [[红楼梦|紅樓夢|hong2 lou2 meng4]].
