Oh, do not shake your head as if you were in agreement with me (he cried suddenly with vehemence).

哦，不要像同意我一样摇头（他突然激动地哭了起来）。

Or " I listened to his ideas for our new project and I decided that they were in agreement with my ideas" .

或者“我听取了他对我们新项目的想法，我认为他们与我的想法一致”。