筑室道謀（築室道謀）　

◎ 筑室道謀 zhùshì-dàomóu

[ask every passerby how to build one‘s house—have no idea or plan of one‘s own and accomplish nothing] 建筑房屋向路人討教。比喻七嘴八舌,無助于拿定主意,或盲目聽從別人,結果難以成功