This trick had been in his head all the time.

这个诡计一直在他的脑海里。

youdao

The needle ran into him; and this time the pain was not in his head.

针扎进了他的身体。这一次，他的头不再痛了。

youdao

There was a pounding in his head.

他觉得头嗡嗡直响。

《牛津词典》

In the eighteen hours until his rescue,he says, he kept his mind on prayer and playing music in his head.

VOA: special.2010.02.01

The president was pretty remarkable in keeping in his head the various intelligence streams we are going on, the conspiracies that might be out there.

总统在记录情报方面,非常厉害,他记得不同的情报，还有可能存在的阴谋。

普林斯顿公开课 - 国际座谈会课程节选

He's covering his head in a traditional religious fashion, so in order to enter this holy place he covers his head.

他以一种传统的宗教方式包裹他的头，为了进入那个神圣的地方而包裹头。

耶鲁公开课 - 1945年后的美国小说课程节选

Ma says he can keep track of up to six decks of cards in his head.

FORBES: Picking Winners

But someone might have to do it, so Girardi went through his options in his head.

WSJ: Those Wacky Yankee Lineups

At this he remembered that the brown spot was as much in his head as ever.

NEWYORKER: Tenth of December