3 sentences for 锻炼 (duàn​liàn — train)

1. 基层工作最能锻炼一个人的能力。

   jī​céng gōng​zuò zuì néng duàn​liàn yī gè rén de néng​lì.

   Working at the grassroots level best develops a person's abilities.

   Source: Dong Chinese Dictionary

2. 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

3. 许多年轻的干部被下放到基层锻炼。

   xǔ​duō nián​qīng de gàn​bù bèi xià​fàng dào jī​céng duàn​liàn.

   Many young officials were sent to the grassroots level to gain experience.

   Source: Dong Chinese Dictionary