1.
She wrinkled her brows in concentration.
她蹙额皱眉, 陷入沉思。
2.
He knitted his brows in deep thought.
他紧锁双眉陷入沉思。
3.
He kept chewing the inside of his lip a lot, frozen into some personal cocoon of silence.
他不停地咬着下嘴唇，陷入沉思中。
4.
After witnessing what happened, everyone was speechless and lost in thought.
众人见状，都默然不语，陷入沉思中。
5.
A state of brooding disquietude about a colleague's success.
关心同事的成功与否而陷入沉思的忧虑中
6.
His sole reference to Watergate was wistful.
他对水门事件的唯一反应就是陷入沉思。
7.
She looked away for a moment, deep in thought, and then said softly, "I loved him very much.
她把视线转向别处，陷入沉思，然后柔和地说："我非常爱他，
8.
While sinking into thinking, the shrinking linkman drank the pink ink sprinkled on the wrinkly paper.
陷入沉思时,退缩的联络员喝掉了洒在皱纹纸上的粉红色墨水。
9.
The minute I immersed myself into deep thinking, a gust of wind touched my face, soft and comfortable.
当我陷入沉思的那会儿，一阵风拂过我的脸庞，柔柔的，惬意的。
10.
He folded his arms and lowered down his head as usual before he was in deep thought.
跟平常一样在他陷入沉思之前他把双臂交叉起来,低下了头。
11.
The boy hastened away and the manager fell to his musings.
仆役急急走了，经理又陷入了沉思。
12.
She sat, looking into the cloudy mirror, musing.
她凝视着朦胧的镜子，坐着陷入了沉思。
13.
be immersed in debt (diffeculties, thought, pleasure, a book)
陷入债务（困难）沉思、沉溺于（享乐）、专心于一（本书）
14.
Seeing the depth of her despair, he grew pensive
看到她陷入无限的绝望，他沉入深深的忧思中
15.
He was lost in reverie [thought].
他陷于幻想 [沉思] 。
16.
Hurstwood grew serious, and he lapsed into quiet thought. He looked up after a time to say:
赫斯渥变得严肃了，他静静地陷入了沉思。
17.
In silence, every student fell into the meditation.
一片静默之中，在座的同学们都陷入了沉思。
18.
Nim ruminated, digesting the information he had been given.
尼姆陷入了沉思，他在消化刚听到的这些情况。