solid waste of money(Assuming you can locate and communicate with your actual neighbour, they will politely ignore you. (...) Which made the suggestion that I ring the doorbell with a befriending, ice-breaking case of wine seem a solid waste of money.nsnews.comART Vancouver)
pushing on a string(пример: Dealing with this problem through supply‐side reforms aimed at increasing productivity is like pushing on a string. A.Rezvov)