瞎指揮

to give nonsensical instructions / to issue orders out of ignorance

blind / groundlessly / foolishly / to no purpose

finger / to point at or to / to indicate or refer to / to depend on / to count on / (of hair) to stand on end

to conduct / to command / to direct / conductor (of an orchestra) / CL:個|个[ge4]

to wave / to brandish / to command / to conduct / to scatter / to disperse