Meaning of zhī zhōng:
之中
inside; among; in the midst of (doing sth); during
Zài hēi'àn zhīzhōng, wǒmen shǐyòng shǒudiàntǒng.
在黑暗之中,我们使用手电筒。
Inside the darkness, we used a flashlight.
Zài suǒyǒu xuǎnxiàng zhīzhōng, wǒmen xuǎnzé le zuì hǎo de yīgè.
在所有选项之中,我们选择了最好的一个。
Among all the options, we chose the best one.
Tā zài yèsè zhīzhōng sīkǎo rénshēng.
他在夜色之中思考人生。
He is contemplating life in the midst of the night.
Zài zhè xiàng fùzá de gōngzuò zhīzhōng, wǒmen xué dào le hěn duō.
在这项复杂的工作之中,我们学到了很多。
During this complex work, we learned a lot.