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～的站着。(鲁迅《呐喊·阿Q正传》86) Ah Q stood there irresolutely.
无所适从
not know which way to follow;be at a loss what to do
无所适从wú suǒ shì cónɡ
适：往，到；从：服从。不知道按哪种办法做才对。形容不知道怎么办才好。be at a loss as to what to do, with no plan to follow, at a loose end