盲人骑瞎马

Explanation: Blind man riding a blind horse. Loitering Xiazhuang described, very dangerous. 　　Source: Southern Song Liu Yiqing "Shi Pai transfer": "Nelson and Yin Huan Jingzhou Language times were made for multiple languages ... ... words for danger. Huan said: 'sword attack sound of rain head cook rice.' Yin Yue : 'old man climbing a hundred dead branches.' Gu said: 'Inoue pulley lying baby.' There is a Yin joined the army in the Cloud: 'blind man riding a blind horse, a deep pool of middle of the night'. " 　　Examples: But you sir, a few little things that into the new party, to really do as you say it, does that mean ~, middle of the night a deep pool, he also considered a risk it? ★ "cold-view" back to the seventeenth Thesaurus:  put a fire under a pile of faggots— a hidden danger, a blind man on a blind horse— — rushing headlong to disaster, (literally) to walk on ice--cautious Pro Yuan, Carry out a deep thin, A deep discharge thin, toward Less evening, sit without approaching the stair way