1、陷入沉思
这是个固定搭配，lost in thought （陷入沉思），永远这样用
2、想事情
... 玩手机= fiddle with her phone 想事情= lost in thought 找人聊天= chat with a friend ...
3、沉思
天无绝人之路 Lost in thought沉思 It came like a bolt from the blue这事情的发生就像晴天霹雳一样（a bolt from the blue晴天霹雳； blue 悲伤地；蓝颜色的bolt[...
4、怔神儿
... 运神 to concentrate; to think what you're doing 怔神儿 lost in thought; in a daze 怔神儿 lost in thought; in a daze ...
Often lost in thought讨厌失败
be lost in thought沉思;陷入沉思;想得出神;覃思
Lost In Deep Thought陷入沉思;陷入深思
Apparently Lost In Thought显然陷入沉思
I was lost in thought我不抱怨生命的短暂
just be lost in thought堕入深思
she seemed lost in thought沉浸在思考中
Since being lost in thought由于陷入沉思之中
to be lost in thought沉思