at loose ends; be at a loss as to what to do (/which way to follow); be left dangling in the air; irresolute (ly);look blank; not know what course to take; not know whom to turn to; with no (definite) plan to follow ? 阿Q～的站著。(魯迅《吶喊·阿Q正傳》86) Ah Q stood there irresolutely.
無所適從
not know which way to follow;be at a loss what to do
無所適從wú suǒ shì cónɡ
適：往，到；從：服從。不知道按哪種辦法做才對(duì)。形容不知道怎么辦才好。be at a loss as to what to do, with no plan to follow, at a loose end