Can we speak two different languages to our child?

Malaysia is a multiracial country where everyone speaks at least two languages. In this multilingual country, many parents might doubt: 1) If I should use one language at home, or they can learn two languages concurrently? 2) If he will be confused when learning two languages? 3) If his language skills will be delayed as a result of learning two languages? Rest assured, we have prepare some info to clear your doubt!