筑室道谋（築室道謀）　

◎ 筑室道谋 zhùshì-dàomóu

[ask every passerby how to build one‘s house—have no idea or plan of one‘s own and accomplish nothing] 建筑房屋向路人讨教。比喻七嘴八舌,无助于拿定主意,或盲目听从别人,结果难以成功