Some children are not naturally suited to this sort of training; if they spend too much time in a swimming pool, their hair may fall out or turn yellow, they may have a constant runny nose, be absentminded, and present an altogether pitiful figure.
有的孩子先天體質不適合，長時間浸泡在泳池裡，頭髮乾枯發黃，整天流著鼻水，精神恍惚，實在令人疼惜。