作为本次比赛的东道主，我们感到荣幸。

Zuòwéi běncì bǐsài de dōngdàozhǔ, wǒmen gǎndào róngxìng.

As the host of this competition, we feel honored.

赛事的东道主需提供良好的比赛环境。

Sàishì de dōngdàozhǔ xū tígōng liánghǎo de bǐsài huánjìng.

The host of the event needs to provide a good competition environment.

这个城市有资格成为奥运会的东道主。

Zhège chéngshì yǒu zīgé chéngwéi àoyùnhuì de dōngdàozhǔ.

This city is qualified to be the host of the Olympics.