fluently  
adverb uk/ˈfluː.ənt.li/ us/ˈfluː.ənt.li/
  (SPEAK)      
 B2 (指人说某种语言)流利地
If you speak a language or read fluently, you speak or read easily, well, and quickly
  I'd like to speak English fluently. 我希望能说一口流利的英语。 
 Students are expected to read fluently in Arabic. 学生应能流利地阅读阿拉伯语。 
 - More examples
 - He talked fluently and smiled easily.
 - She speaks six languages fluently.
 - Three-quarters of children were reading fluently by the end of second grade.
 
  (MOVE)      
 (动作等)优美自然地,流畅地
in a way that flows smoothly
  The dancers move fluently across the stage. 舞蹈演员在舞台上优美地移动。 
 We passed the ball fluently and were in full control of the game. 我们流畅地传球,完全控制了比赛。 
 - More examples
 - The team are moving the ball more fluently now.
 - They dance naturally and fluently.
 
See: fluent