"My intention was to read the book to understand."
- "My intention was to read the book to understand."
"my intention was ~" 「〜つもりになっている」"the plan was ~" も使えます。
"to read the book" 「本を読んで」
"to understand" 「理解する」
"My intention was to read the book to understand it. However, I don't understand it at all, rather my thinking as declined since reading the book."
「本を読んで理解したつもりになっているが、実際には全然理解していない。むしろ本を読むことで自分の思考が低下している」