When translating 'me too' from English to Spanish, one of the most common pitfalls is not using the correct idiomatic expression. In Spanish, 'me too' literally translates to 'yo también', but this may not convey the same level of agreement or enthusiasm as it does in English. To accurately express 'me too', it's essential to use the correct phrase, such as 'también yo' for formal speech or 'tú tambien' for informal conversation. Another pitfall is using a literal translation instead of an idiomatic expression. For example, saying 'yo también quiero' (I also want) in place of 'me too'. By being aware of these common pitfalls and using the correct phrases, you can express yourself confidently and accurately in Spanish.