Yanlış : He is medium-height, but compared to his sister, he is tall.
Doğru : He is of medium height, but compared to his sister, he is tall.
Orta boylu ama kız kardeşiyle karşılaştırıldığında, uzun boylu.
Yanlış : The police are looking for an average height man with grey hair.
Doğru : The police are looking for a man of average height with grey hair.
Polis orta boylu kır saçlı bir adamı arıyor.
Orta boyda/boylu derken of medium height, of average height kullanılır.