Translation apparatus and method thereof for helping a user to more easily input a sentence to be translated. The translation apparatus has a speech input unit that receives a speech of a first language from a user, a control unit that generates sentences to be translated of the first language from the speech of the first language input from the speech input unit, a communication unit that transmits the sentences to be translated of the first language to a translation server and receives the sentences to be translated of a second language from the translation server, a display unit that displays the translated sentences of the second language along with previously translated sentences, a memory that stores a translation history including the sentences to be translated of the first language and the translated sentences of the second language, and a user input unit that receives an operation input of the previously translated sentences from a user.