1. A method for displaying a menu in a mobile terminal, the method comprising the steps of: displaying, on a display, a selected menu item from a list of menu items, upon a user selection, and highlighting the selected menu item; determining key direction corresponding to a user key input; and indicating on a bubble window, concurrently with the display of the selected menu item, a selected sub entry of the selected menu item, the selected sub entry being preset corresponding to the inputted key direction in selectable sub entries for the selected menu item without displaying any other selectable sub entries, wherein when it is determined that a sub-menu of the selected menu item has been set as status information of the selected menu item, the bubble window displays the status information of the selected menu item without overlapping with the selected menu item a predetermined time after the highlighting of the selected menu item.