2 sentences

1. 他的球技堪称一绝。

   tā de qiú​jì kān​chēng yī jué.

   His ball skills are truly superb.

   Source: Dong Chinese Dictionary

2. 在教练的精心调教下，他的球技进步很快。

   zài jiào​liàn de jīng​xīn tiáo​jiào xià, tā de qiú​jì jìn​bù hěn kuài.

   Under the coach's careful training, his skills have improved rapidly.

   Source: Dong Chinese Dictionary