languid       
adjective  literary uk/ˈlæŋ.ɡwɪd/ us/ˈlæŋ.ɡwɪd/
 慢悠悠的,悠闲自在的
moving or speaking slowly with little energy, often in an attractive way
  a languid manner/voice 徐缓从容的举止/声音 
 Synonyms: languorous lethargiclistlesstorpid 
Opposites: dynamic (FULL OF ENERGY)energetic