10. A method of controlling a mobile terminal, the method comprising: receiving an input to activate a voice recognition function on the mobile terminal; activating the voice recognition function upon receiving the input to activate the voice recognition function; determining a meaning of an input voice instruction based on at least one prior operation performed on the mobile terminal and a language included in the voice instruction; determining a number of menus that match the meaning of the input voice instruction with a probability greater than a predetermined threshold; and executing a single menu if there is the single menu that matches the meaning of the input voice instruction with the probability greater than the predetermined threshold, or displaying the number of menus on the display unit if the number of menus is greater than one.
10. A method of controlling a mobile terminal, the method comprising: receiving an input to activate a voice recognition function on the mobile terminal; activating the voice recognition function upon receiving the input to activate the voice recognition function; determining a meaning of an input voice instruction based on at least one prior operation performed on the mobile terminal and a language included in the voice instruction; determining a number of menus that match the meaning of the input voice instruction with a probability greater than a predetermined threshold; and executing a single menu if there is the single menu that matches the meaning of the input voice instruction with the probability greater than the predetermined threshold, or displaying the number of menus on the display unit if the number of menus is greater than one. 12. The method of claim 10 , further comprising: determine the meaning of the input voice instruction based on an operating state of the mobile terminal.