A few hardy souls continue to swim in the sea even in the middle of winter.许多身体强壮的人甚至在隆冬时节仍坚持在海里游泳。Carney knew he would draw attention to himself if he rented a boat in the middle of winter.卡尼知道，他要是在隆冬时候去租一条船，将会吸引很多目光。He began his journey in the dead of winter.他在隆冬时节踏上了旅程。