求翻译：　　大寒天，船夫出外划船，他把自己的孩子也带去。船夫用力划了一程，觉得身体很热，便脱去了外衣，只穿一件单衣。是什么意思？

　　Great cold days, boatmen to take up boating, he brought his own children. Boatmen force struck a trip, feeling hot, will take off the coat, wearing a mid layers only.