Word: 興奮 (xīngfèn) excited; excitement

他們非常興奮。

Tāmen fēicháng xīngfèn.

They were very excited.

他興奮得顫抖了起來。

Tā xīngfèn de chàndǒule qǐlai.

His body shivered with excitement.

他越說越興奮。

Tā yuè shuō yuè xīngfèn.

As he talked, he got more and more excited.

我興奮得睡不著覺。

Wǒ xīngfèn de shuì bù zháo jiào.

I was so excited that I could not fall asleep.

我讓她興奮。

Wǒ ràng tā xīngfèn.

I excited her.