5 sentences

1. 他练就了扎实的舞蹈基本功。

   tā liàn​jiù le zhā​shi de wǔ​dǎo jī​běn​gōng.

   He has developed solid fundamental dance skills.

   Source: Dong Chinese Dictionary

2. 他从小习武，练就了一身好武艺。

   tā cóng xiǎo xí​wǔ, liàn​jiù le yī shēn hǎo wǔ​yì.

   He has practiced martial arts since childhood and has acquired great skills.

   Source: Dong Chinese Dictionary

3. 他练就了一手百步穿杨的好枪法。

   tā liàn​jiù le yī shǒu bǎi​bù​chuān​yáng de hǎo qiāng​fǎ.

   He has developed superb marksmanship.

   Source: Dong Chinese Dictionary

4. 他从小练就了一身好拳脚，身手非常敏捷。

   tā cóng xiǎo liàn​jiù le yī shēn hǎo quán​jiǎo, shēn​shǒu fēi​cháng mǐn​jié.

   He has been trained in martial arts since childhood and is very agile.

   Source: Dong Chinese Dictionary

5. 为了练就这一手厨艺绝技，他苦练了整整十年。

   wèi​le liàn​jiù zhè yī​shǒu chú​yì jué​jì, tā kǔ​liàn le zhěng​zhěng shí nián.

   In order to master this culinary skill, he practiced hard for ten whole years.

   Source: Dong Chinese Dictionary