The phrase "Nke mmere juoo oyi, mee ozo" is understandable in Igbo, but it could be phrased more clearly. A more natural way to express your intended meaning would be:
**"Ọ bụrụ na nke m mere juo oyi, m ga-eme ọzọ."**
This translates to: "If the one I did gets cold, I will do another one."


