3 sentences

1. 他是现役国脚。

   tā shì xiàn​yì guó​jiǎo.

   He is a current player on the national football team.

   Source: Dong Chinese Dictionary

2. 他是现役球员中进球最多的。

   tā shì xiàn​yì qiú​yuán zhōng jìn​qiú zuì​duō de.

   He has scored the most goals among active players.

   Source: Dong Chinese Dictionary

3. 他是一名现役军官。

   tā shì yī míng xiàn​yì jūn​guān.

   He is an active-duty military officer.

   Source: Dong Chinese Dictionary