Beko贝科bev.有；在；是；到达；拜访be measured in feet用英尺量Be my beck and call随传随到be taller by a head高过一头be very much afraid深恐be of a calm temper性情平和be wide of the mark离目标很远, 满不对头; 离题太远be partially urgent部分加急Be at peace with sb和平相处be in great anxiety担忧着Be on a gravy train走运,有赚钱的机会