3 sentences for 外 (wài — foreign)

1. 他利用假期去国外旅游。

   tā lì​yòng jià​qī qù guó wài lǚ​yóu.

   He took advantage of the holiday to travel abroad.

   Source: Dong Chinese Dictionary

2. 美国国务院负责处理对外事务。

   Měi​guó Guó​wù​yuàn fù​zé chǔ​lǐ duì wài shì​wù.

   The US Department of State is responsible for handling foreign affairs.

   Source: Dong Chinese Dictionary

3. 这座城市是中国对外贸易的重要门户。

   zhè zuò chéng​shì shì Zhōng​guó duì wài mào​yì de zhòng​yào mén​hù.

   This city is an important gateway for China's foreign trade.

   Source: Dong Chinese Dictionary