7 sentences

1. 他是一名中国共产党党员。

   tā shì yī míng Zhōng​guó Gòng​chǎn​dǎng dǎng​yuán.

   He is a member of the Communist Party of China.

   Source: Dong Chinese Dictionary

2. 他是一名老党员。

   tā shì yī míng lǎo dǎng​yuán.

   He is a veteran Party member.

   Source: Dong Chinese Dictionary

3. 地下党员在约定的地点接头。

   dì​xià dǎng​yuán zài yuē​dìng de dì​diǎn jiē​tóu.

   The underground party members met at the rendezvous point.

   Source: Dong Chinese Dictionary

4. 全体党员必须严格遵守党章。

   quán​tǐ dǎng​yuán bì​xū yán​gé zūn​shǒu dǎng​zhāng.

   All Party members must strictly abide by the Party Constitution.

   Source: Dong Chinese Dictionary

5. 党员要全心全意为群众服务。

   dǎng​yuán yào quán​xīn​quán​yì wèi qún​zhòng fú​wù.

   Party members should serve the masses wholeheartedly.

   Source: Dong Chinese Dictionary

6. 加强党性锻炼是每个党员的必修课。

   jiā​qiáng dǎng​xìng duàn​liàn shì měi gè dǎng​yuán de bì​xiū​kè.

   Strengthening Party spirit is a compulsory task for every Party member.

   Source: Dong Chinese Dictionary

7. 他的爷爷是一位有着五十年党龄的中共党员。

   tā de yé​ye shì yī wèi yǒu zhe wǔ​shí nián dǎng​líng de Zhōng Gòng dǎng​yuán.

   His grandfather is a member of the Communist Party of China with fifty years of party standing.

   Source: Dong Chinese Dictionary