masterfully  
adverb uk/ˈmɑː.stə.fəl.i/ us/ˈmæs.tɚ.fəl.i/
  (SKILLED)      
  熟练地|精湛地
in a very skilful way
  She wrote a masterfully crafted piece for violin. 她精心地谱写了一首小提琴曲。 
 The portraits are masterfully rendered by delicate brushwork.  这些人物肖像是用精湛的技艺一笔一笔勾画出来的。 
 - More examples
 - The masterfully detailed, hand-crafted work uses a variety of mediums including photography, paint, and collage.
 - The actor masterfully evolved his character from villain to comic to romantic lead and, ultimately, to tragic hero.
 - His life is revealed masterfully by his biographer.
 
  (CONTROLLING)      
 有控制能力地,有驾驭能力的
in a way that confidently controls people or situations
  The Russian reformer presided masterfully over the last days of the Soviet Union. 这位俄罗斯改革家成功地掌控苏联度过了最后的时期。 
 - More examples
 - He masterfully controlled the team's offense.
 - She handles her subordinates masterfully.
 - He commanded them masterfully to stop.
 
See: masterful