在某人的脑海深处，意味着某人有意图去做某事，但并没有积极地思考它
2、in the back of 在……后部。如: He sat in [at] the back of the car. 他坐在小汽车后部。
in the back of 在...后面（里面）; 在…后部(里面); 在…后部（里面）.
... at the back of 在…后方[背后]；支持；在内心中； in the back of 在…后面（只在某一范围内）； on the back of 紧跟着，在…之外（常用以表示接二连三的灾祸）； ...
in the back of 在...
All the kids will fit in the back of the car.
所有的孩子都可以坐到车的后排。
There was an infant squalling in the back of the church.
教堂的后面有个婴儿大声啼哭的声音。
Her family lives in a self-contained three-bedroom suite in the back of the main house.
她一家人住在主宅后面一个独立的三居室套房里。
And when he traveled to his grandmother's house, he sat in the back of the bus behind a white line.
VOA : special.2010.02.07
It's important in Darwinian terms to have it in the back of our minds, and that's what Tynjanov is insisting on.
它是达尔文主义的重要特征，也是提尼亚诺夫坚持的。
文学理论导论课程节选 : 耶鲁公开课
But when we're thinking about actual wave behavior of electrons, it's just important to keep in the back of our head that some areas have positive amplitude and some have negative.
电子的波动行为时,我们，要记住,某些地方是正的,某些地方是负的,当我们讲到。
化学原理课程节选 : 麻省理工公开课
So,he sat in the back of the bus and spent the rest of the afternoon making a list of one hundred important songs.
VOA : special.2009.12.04
At one point,he says, he was in the back of a truck travelling to the capital,Phnom Penh.
VOA : special.2011.05.06
Smugly, I clean it off and put it in the back of the car.
You can watch the handmade production through windows in the back of the farmstead.
She hid in the back of closets where mothball gas brought tears to her eyes.