An offspring from a short and a tall parent may be medium-sized; but it carries genes for shortness and tallness.父母一高一矮，其子女可能是中等身材，但是会携带矮个和高个的基因。Tom is the best player in our class, but compared to those players in the school team, he's just a big fish in a little pond.在我们班汤姆球打得最好，可是跟校队队员相比，他不过是矮个中的高个。