2 sentences for 东道主 (dōng​dào​zhǔ)

1. 既然来了我的家乡，我理应尽到东道主之谊。

   jì​rán lái le wǒ de jiā​xiāng, wǒ lǐ​yīng jìn​dào dōng​dào​zhǔ zhī yì.

   Since you've come to my hometown, I should fulfill my duties as a host.

   Source: Dong Chinese Dictionary

2. 作为东道主，该国为这次国际会议做了充分的准备。

   zuò​wéi dōng​dào​zhǔ, gāi guó wèi zhè cì guó​jì huì​yì zuò le chōng​fèn de zhǔn​bèi.

   As the host, the country has made full preparations for this international conference.

   Source: Dong Chinese Dictionary