"Lose three drop four"
Describes carelessness or forgetfulness
Negative
None
丢三拉四 (diū sān lā sì)
This is an HSK chengyu
《红楼梦》(Hóng Lóu Mèng) by Qīng (清, 1644-1911) author 曹雪芹 (Cáo Xuěqín). Often translated in English as "A Dream of Red Mansions," 红楼梦 is one of China's four great classical novels
This chengyu is from a line in the work listed in the "Origin" section above