2 sentences

1. 他是学生会的副主席。

   tā shì xué​sheng​huì de fù​zhǔ​xí.

   He is the vice president of the student union.

   Source: Dong Chinese Dictionary

2. 你可以当副主席。

   nǐ kě​yǐ dāng fù​zhǔ​xí.

   You can be vice president.

   Source: OpenSubtitles