We couldn't understand them because they were talking in Chinese.

　　我們聽不懂他們在講些什么，因為他們說的是漢語。

　　Garlic is widely used in Chinese folk medicine.

　　大蒜廣泛應用于中國民間醫藥。

　　Only thirty students graduated in Chinese last year.

　　去年只有三十名學生獲得漢語學士學位。

　　I am studying Chinese.

　　我正在學中文。

　　I'm not crazy about Chinese food.

　　我并不十分熱衷于中餐。