他常常用一句简单的话鼓励同学们。

Tā chángcháng yòng yí jù jiǎndān de huà gǔlì tóngxuémen.

He often uses one simple sentence to encourage his classmates.

老师让我们用这个词造一个句子。

Lǎoshī ràng wǒmen yòng zhège cí zào yí gè jùzi.

The teacher asked us to make a sentence with this word.

这句话很有意思。

Zhè jù huà hěn yǒu yìsi.

This sentence is very interesting.