Catford (1965) saw translation as a process and compares it to an operation done on languages by replacing a text in one language-called a source language - by the text in another language -called a target language. Translation is a craft made by a translator who tries to replace a message or statement in a source language by the same message or statement in a target language. Nida and Taber(1969) future added that meaning and style of translated texts should remain equivalent to those of original text.