In talking about his past, the book makes much of the influence of his brother. [=the book says that his brother's influence was very important]关于他的过去，书中认为哥哥对他的影响很大。

She tends to make far too much of her problems.她常常夸大自己的困难。

You shouldn't make too much of what he said—he was only joking.你不必该把他的话太当真——他只是在开玩笑。