Sitting alone, in my room, I am lost in thoughts.

我坐在房间独自沉思。

youdao

Even when your mind is lost in thoughts, there is an awareness of it.

即使在你的大脑沉迷于问题的时候，意识还是有的。

youdao

If you become lost in thoughts, the moment you realize you have been lost in thoughts, you are no longer lost.

如果你迷失在了思考中，一旦意识到这点，那么就不再迷失。

youdao

Right now, the American people have the families of those we lost in our thoughts and prayers.

WHITEHOUSE: President Obama Speaks on the Attack on Benghazi

In this four-step process, you get to figure out where you tend to go long, where you fall short, how to organize your ideas, how to make a complete case, and how to keep from getting lost in your thoughts.

FORBES: A Simple Way to Get Any Point Across

Loren and I were both lost in our own thoughts when we heard horses at a distance coming up behind us.

NPR: Excerpt: 'World Made By Hand'