他展示了很大的勇气。

Tā zhǎnshì le hěndà de yǒngqì.

He showed great courage.

面对困难，我们要有勇气。

Miàn duì kùnnan, wǒmen yào yǒu yǒngqì.

We need to have courage in the face of difficulties.

她鼓起勇气向老师提问。

Tā gǔqǐ yǒngqì xiàng lǎoshī tíwèn.

She gathered the courage to ask the teacher a question.