Переведите на у меня есть подруга. она позитивная,добрая. у нее любимый цвет синий. её волосы среднего роста. она среднего роста. она блондинка.

I have a girlfriend. She's positive, kind. Her favorite color is blue. Her hair is medium height. She is of medium height. She's blonde.

I have a friend. She is very kind and positive. her favorite colour is blue. Her hair is of medium height. She is of average height. She has blond hair. Про рост еще можно сказать She is not long. если еще не проходили  и не знаете of average height