Jill crossed her legs and rested her chin on one fist, as if lost in deep thought.

吉尔两腿交叉，下巴抵在拳头上，似乎陷入了沉思。

《柯林斯英汉双解大词典》

The whole night the Tree stood still and in deep thought.

整个晚上，枞树静静地站着，陷入了沉思。

youdao

The Rat looked very grave, and stood in deep thought for a minute or two.

水鼠兰特看上去很严肃，站着沉思了一两分钟。

youdao

This was a deep thought for old Koskoosh.

VOA: special.2010.02.27

They include deep breathing and a method of guided thought called meditation.

VOA: special.2010.10.12

"This was a first and therefore you had to deal with his absurd and vile policies and the analysis of them had to take a long time and you had to get right down deep into him and how he thought,".

VOA: standard.2009.10.23

Let me start with a deep thought: You are the most important person in the world.

FORBES: "Do No Harm Spending"- Of Boots And Vacations

It's a political Deep Thought worthy of Saturday Night Live's Jack Handey.

WSJ: Stephens: Chuck Hagel's Jewish Problem

Barnes raised the field glasses up, lowered them, pursed his lips as if in deep thought, and then said, in a newly formed sarcastic voice, Hell, you missed the whole thing, Lee.

NEWYORKER: The Tree Line, Kansas, 1934