麦田香草:"As he was very tried, he nodded over his reading." 问“OVER”在这里是什么意思？

"As he was very tried, he nodded over his reading." 问“OVER”在这里是什么意思？ he was interested in drawing very much he was as kind to her as before ------as he was,he knew a great deal. 翻译此句子"jack went and found it .he was very happy to see his grandpa. he was very excited to ride to school hurriedly He was listened to ___ songs along as he was walking. He was known as the hero of a hundred adventures He was known as the hero of a hundred adventures his father was very angry with him first but soon he found out a very good