Is this in my head, I don't know what to think.

这是否是我的空想，我完全不知道作何感想。

youdao

"This is Brady Coyne," said Sam, jerking his head in my direction.

“这是布雷迪·科因”，萨姆说，他的头朝我这边甩了一下。

《柯林斯英汉双解大词典》

This is an image that I will always keep in my head.

而这个形象也一直保存在我的脑海中，挥之不去。

youdao

I've had this discussion in my own head: Why is this important other than it's my job to cover it?

NPR: Before Congress, Clemens Insists He Is Innocent

"There's always this thing in the back of my head that wonders if all this is a little premature, " said Sara Pradziak, 21, who looked on as mostly college-age revelers filled Hemingway Street in downtown Boston.

CNN: SHARE THIS

"There's always this thing in the back of my head that wonders if all of this is a little premature, " she said.

CNN: Life edges back to normal in Boston -- with lives changed