之

zhī

(possessive particle, literary equivalent of 的), him, her, it

朋友之间

péng you zhī jiān

Between friends

你之前说得对

nǐ zhī qián shuō děi duì

You were right before

我之前去过中国。

wǒ zhī qián qù guo Zhōng guó。

I have been to China before.

你之前见过他吗？

nǐ zhī qián xiàn guo tā ma？

Have you met him before?

我之前吃了早饭。

wǒ zhī qián chī le zǎo fàn。

I had breakfast before.

中国和日本之间

Zhōng guó hé Rì běn zhī jiān

Between China and Japan

猫咪和狗之间

māo mī hé gǒu zhī jiān

Between cats and dogs

我之前吃过晚餐了。

wǒ zhī qián chī guo wǎn cān le。

I had dinner before.

我之前去过一次美国

wǒ zhī qián qù guo yī cì Měi guó

I've been to America once before

我之前去过那个城市。

wǒ zhī qián qù guò nuó gè chéng shì。

I have been to that city before.