Courage was needed, for the heavy sails had to be set and taken down in all kinds of weather, and quite often sailors were swept overboard in a gale. (Passage 2 )

【参考答案】

勇气是必须的，因为不管天气如何，厚重的帆都要由船员们挂起或降下，船员们经常会被大风吹到甲板上。