他从小就立下志向，要当医生。

Tā cóngxiǎo jiù lìxià zhìxiàng, yào dāng yīshēng.

Since he was young, he set his ambition to become a doctor.

我们班的同学都很有志气，学习很努力。

Wǒmen bān de tóngxué dōu hěn yǒu zhìqi, xuéxí hěn nǔlì.

The students in our class are all very ambitious and study hard.

这本杂志上有很多有意思的故事。

Zhè běn zázhì shàng yǒu hěn duō yǒuyìsi de gùshi.

There are many interesting stories in this magazine.